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1/*
2
3 Linux Driver for BusLogic MultiMaster and FlashPoint SCSI Host Adapters
4
5 Copyright 1995-1998 by Leonard N. Zubkoff <lnz@dandelion.com>
6
7 This program is free software; you may redistribute and/or modify it under
8 the terms of the GNU General Public License Version 2 as published by the
9 Free Software Foundation.
10
11 This program is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 for complete details.
15
16 The author respectfully requests that any modifications to this software be
17 sent directly to him for evaluation and testing.
18
19 Special thanks to Wayne Yen, Jin-Lon Hon, and Alex Win of BusLogic, whose
20 advice has been invaluable, to David Gentzel, for writing the original Linux
21 BusLogic driver, and to Paul Gortmaker, for being such a dedicated test site.
22
23 Finally, special thanks to Mylex/BusLogic for making the FlashPoint SCCB
24 Manager available as freely redistributable source code.
25
26*/
27
28#ifndef _BUSLOGIC_H
29#define _BUSLOGIC_H
30
31
32#ifndef PACKED
33#define PACKED __attribute__((packed))
34#endif
35
36/*
37 Define the maximum number of BusLogic Host Adapters supported by this driver.
38*/
39
40#define BusLogic_MaxHostAdapters 16
41
42
43/*
44 Define the maximum number of Target Devices supported by this driver.
45*/
46
47#define BusLogic_MaxTargetDevices 16
48
49
50/*
51 Define the maximum number of Scatter/Gather Segments used by this driver.
52 For optimal performance, it is important that this limit be at least as
53 large as the largest single request generated by the I/O Subsystem.
54*/
55
56#define BusLogic_ScatterGatherLimit 128
57
58
59/*
60 Define the maximum, maximum automatic, minimum automatic, and default Queue
61 Depth to allow for Target Devices depending on whether or not they support
62 Tagged Queuing and whether or not ISA Bounce Buffers are required.
63*/
64
65#define BusLogic_MaxTaggedQueueDepth 64
66#define BusLogic_MaxAutomaticTaggedQueueDepth 28
67#define BusLogic_MinAutomaticTaggedQueueDepth 7
68#define BusLogic_TaggedQueueDepthBB 3
69#define BusLogic_UntaggedQueueDepth 3
70#define BusLogic_UntaggedQueueDepthBB 2
71
72
73/*
74 Define the default amount of time in seconds to wait between a Host Adapter
75 Hard Reset which initiates a SCSI Bus Reset and issuing any SCSI commands.
76 Some SCSI devices get confused if they receive SCSI commands too soon after
77 a SCSI Bus Reset.
78*/
79
80#define BusLogic_DefaultBusSettleTime 2
81
82
83/*
84 Define the maximum number of Mailboxes that should be used for MultiMaster
85 Host Adapters. This number is chosen to be larger than the maximum Host
86 Adapter Queue Depth and small enough so that the Host Adapter structure
87 does not cross an allocation block size boundary.
88*/
89
90#define BusLogic_MaxMailboxes 211
91
92
93/*
94 Define the number of CCBs that should be allocated as a group to optimize
95 Kernel memory allocation.
96*/
97
98#define BusLogic_CCB_AllocationGroupSize 7
99
100
101/*
102 Define the Host Adapter Line and Message Buffer Sizes.
103*/
104
105#define BusLogic_LineBufferSize 100
106#define BusLogic_MessageBufferSize 9700
107
108
109/*
110 Define the Driver Message Levels.
111*/
112
113enum BusLogic_MessageLevel {
114 BusLogic_AnnounceLevel = 0,
115 BusLogic_InfoLevel = 1,
116 BusLogic_NoticeLevel = 2,
117 BusLogic_WarningLevel = 3,
118 BusLogic_ErrorLevel = 4
119};
120
121static char *BusLogic_MessageLevelMap[] = { KERN_NOTICE, KERN_NOTICE, KERN_NOTICE, KERN_WARNING, KERN_ERR };
122
123
124/*
125 Define Driver Message macros.
126*/
127
128#define BusLogic_Announce(Format, Arguments...) \
129 BusLogic_Message(BusLogic_AnnounceLevel, Format, ##Arguments)
130
131#define BusLogic_Info(Format, Arguments...) \
132 BusLogic_Message(BusLogic_InfoLevel, Format, ##Arguments)
133
134#define BusLogic_Notice(Format, Arguments...) \
135 BusLogic_Message(BusLogic_NoticeLevel, Format, ##Arguments)
136
137#define BusLogic_Warning(Format, Arguments...) \
138 BusLogic_Message(BusLogic_WarningLevel, Format, ##Arguments)
139
140#define BusLogic_Error(Format, Arguments...) \
141 BusLogic_Message(BusLogic_ErrorLevel, Format, ##Arguments)
142
143
144/*
145 Define the types of BusLogic Host Adapters that are supported and the number
146 of I/O Addresses required by each type.
147*/
148
149enum BusLogic_HostAdapterType {
150 BusLogic_MultiMaster = 1,
151 BusLogic_FlashPoint = 2
152} PACKED;
153
154#define BusLogic_MultiMasterAddressCount 4
155#define BusLogic_FlashPointAddressCount 256
156
157static int BusLogic_HostAdapterAddressCount[3] = { 0, BusLogic_MultiMasterAddressCount, BusLogic_FlashPointAddressCount };
158
159
160/*
161 Define macros for testing the Host Adapter Type.
162*/
163
164#ifdef CONFIG_SCSI_FLASHPOINT
165
166#define BusLogic_MultiMasterHostAdapterP(HostAdapter) \
167 (HostAdapter->HostAdapterType == BusLogic_MultiMaster)
168
169#define BusLogic_FlashPointHostAdapterP(HostAdapter) \
170 (HostAdapter->HostAdapterType == BusLogic_FlashPoint)
171
172#else
173
174#define BusLogic_MultiMasterHostAdapterP(HostAdapter) \
175 (true)
176
177#define BusLogic_FlashPointHostAdapterP(HostAdapter) \
178 (false)
179
180#endif
181
182
183/*
184 Define the possible Host Adapter Bus Types.
185*/
186
187enum BusLogic_HostAdapterBusType {
188 BusLogic_Unknown_Bus = 0,
189 BusLogic_ISA_Bus = 1,
190 BusLogic_EISA_Bus = 2,
191 BusLogic_PCI_Bus = 3,
192 BusLogic_VESA_Bus = 4,
193 BusLogic_MCA_Bus = 5
194} PACKED;
195
196static char *BusLogic_HostAdapterBusNames[] = { "Unknown", "ISA", "EISA", "PCI", "VESA", "MCA" };
197
198static enum BusLogic_HostAdapterBusType BusLogic_HostAdapterBusTypes[] = {
199 BusLogic_VESA_Bus, /* BT-4xx */
200 BusLogic_ISA_Bus, /* BT-5xx */
201 BusLogic_MCA_Bus, /* BT-6xx */
202 BusLogic_EISA_Bus, /* BT-7xx */
203 BusLogic_Unknown_Bus, /* BT-8xx */
204 BusLogic_PCI_Bus /* BT-9xx */
205};
206
207/*
208 Define the possible Host Adapter BIOS Disk Geometry Translations.
209*/
210
211enum BusLogic_BIOS_DiskGeometryTranslation {
212 BusLogic_BIOS_Disk_Not_Installed = 0,
213 BusLogic_BIOS_Disk_Installed_64x32 = 1,
214 BusLogic_BIOS_Disk_Installed_128x32 = 2,
215 BusLogic_BIOS_Disk_Installed_255x63 = 3
216} PACKED;
217
218
219/*
220 Define a 10^18 Statistics Byte Counter data type.
221*/
222
223struct BusLogic_ByteCounter {
224 unsigned int Units;
225 unsigned int Billions;
226};
227
228
229/*
230 Define the structure for I/O Address and Bus Probing Information.
231*/
232
233struct BusLogic_ProbeInfo {
234 enum BusLogic_HostAdapterType HostAdapterType;
235 enum BusLogic_HostAdapterBusType HostAdapterBusType;
236 unsigned long IO_Address;
237 unsigned long PCI_Address;
238 struct pci_dev *PCI_Device;
239 unsigned char Bus;
240 unsigned char Device;
241 unsigned char IRQ_Channel;
242};
243
244/*
245 Define the Probe Options.
246*/
247
248struct BusLogic_ProbeOptions {
249 bool NoProbe:1; /* Bit 0 */
250 bool NoProbeISA:1; /* Bit 1 */
251 bool NoProbePCI:1; /* Bit 2 */
252 bool NoSortPCI:1; /* Bit 3 */
253 bool MultiMasterFirst:1;/* Bit 4 */
254 bool FlashPointFirst:1; /* Bit 5 */
255 bool LimitedProbeISA:1; /* Bit 6 */
256 bool Probe330:1; /* Bit 7 */
257 bool Probe334:1; /* Bit 8 */
258 bool Probe230:1; /* Bit 9 */
259 bool Probe234:1; /* Bit 10 */
260 bool Probe130:1; /* Bit 11 */
261 bool Probe134:1; /* Bit 12 */
262};
263
264/*
265 Define the Global Options.
266*/
267
268struct BusLogic_GlobalOptions {
269 bool TraceProbe:1; /* Bit 0 */
270 bool TraceHardwareReset:1; /* Bit 1 */
271 bool TraceConfiguration:1; /* Bit 2 */
272 bool TraceErrors:1; /* Bit 3 */
273};
274
275/*
276 Define the Local Options.
277*/
278
279struct BusLogic_LocalOptions {
280 bool InhibitTargetInquiry:1; /* Bit 0 */
281};
282
283/*
284 Define the BusLogic SCSI Host Adapter I/O Register Offsets.
285*/
286
287#define BusLogic_ControlRegisterOffset 0 /* WO register */
288#define BusLogic_StatusRegisterOffset 0 /* RO register */
289#define BusLogic_CommandParameterRegisterOffset 1 /* WO register */
290#define BusLogic_DataInRegisterOffset 1 /* RO register */
291#define BusLogic_InterruptRegisterOffset 2 /* RO register */
292#define BusLogic_GeometryRegisterOffset 3 /* RO register */
293
294/*
295 Define the structure of the write-only Control Register.
296*/
297
298union BusLogic_ControlRegister {
299 unsigned char All;
300 struct {
301 unsigned char:4; /* Bits 0-3 */
302 bool SCSIBusReset:1; /* Bit 4 */
303 bool InterruptReset:1; /* Bit 5 */
304 bool SoftReset:1; /* Bit 6 */
305 bool HardReset:1; /* Bit 7 */
306 } cr;
307};
308
309/*
310 Define the structure of the read-only Status Register.
311*/
312
313union BusLogic_StatusRegister {
314 unsigned char All;
315 struct {
316 bool CommandInvalid:1; /* Bit 0 */
317 bool Reserved:1; /* Bit 1 */
318 bool DataInRegisterReady:1; /* Bit 2 */
319 bool CommandParameterRegisterBusy:1; /* Bit 3 */
320 bool HostAdapterReady:1; /* Bit 4 */
321 bool InitializationRequired:1; /* Bit 5 */
322 bool DiagnosticFailure:1; /* Bit 6 */
323 bool DiagnosticActive:1; /* Bit 7 */
324 } sr;
325};
326
327/*
328 Define the structure of the read-only Interrupt Register.
329*/
330
331union BusLogic_InterruptRegister {
332 unsigned char All;
333 struct {
334 bool IncomingMailboxLoaded:1; /* Bit 0 */
335 bool OutgoingMailboxAvailable:1;/* Bit 1 */
336 bool CommandComplete:1; /* Bit 2 */
337 bool ExternalBusReset:1; /* Bit 3 */
338 unsigned char Reserved:3; /* Bits 4-6 */
339 bool InterruptValid:1; /* Bit 7 */
340 } ir;
341};
342
343/*
344 Define the structure of the read-only Geometry Register.
345*/
346
347union BusLogic_GeometryRegister {
348 unsigned char All;
349 struct {
350 enum BusLogic_BIOS_DiskGeometryTranslation Drive0Geometry:2; /* Bits 0-1 */
351 enum BusLogic_BIOS_DiskGeometryTranslation Drive1Geometry:2; /* Bits 2-3 */
352 unsigned char:3; /* Bits 4-6 */
353 bool ExtendedTranslationEnabled:1; /* Bit 7 */
354 } gr;
355};
356
357/*
358 Define the BusLogic SCSI Host Adapter Command Register Operation Codes.
359*/
360
361enum BusLogic_OperationCode {
362 BusLogic_TestCommandCompleteInterrupt = 0x00,
363 BusLogic_InitializeMailbox = 0x01,
364 BusLogic_ExecuteMailboxCommand = 0x02,
365 BusLogic_ExecuteBIOSCommand = 0x03,
366 BusLogic_InquireBoardID = 0x04,
367 BusLogic_EnableOutgoingMailboxAvailableInt = 0x05,
368 BusLogic_SetSCSISelectionTimeout = 0x06,
369 BusLogic_SetPreemptTimeOnBus = 0x07,
370 BusLogic_SetTimeOffBus = 0x08,
371 BusLogic_SetBusTransferRate = 0x09,
372 BusLogic_InquireInstalledDevicesID0to7 = 0x0A,
373 BusLogic_InquireConfiguration = 0x0B,
374 BusLogic_EnableTargetMode = 0x0C,
375 BusLogic_InquireSetupInformation = 0x0D,
376 BusLogic_WriteAdapterLocalRAM = 0x1A,
377 BusLogic_ReadAdapterLocalRAM = 0x1B,
378 BusLogic_WriteBusMasterChipFIFO = 0x1C,
379 BusLogic_ReadBusMasterChipFIFO = 0x1D,
380 BusLogic_EchoCommandData = 0x1F,
381 BusLogic_HostAdapterDiagnostic = 0x20,
382 BusLogic_SetAdapterOptions = 0x21,
383 BusLogic_InquireInstalledDevicesID8to15 = 0x23,
384 BusLogic_InquireTargetDevices = 0x24,
385 BusLogic_DisableHostAdapterInterrupt = 0x25,
386 BusLogic_InitializeExtendedMailbox = 0x81,
387 BusLogic_ExecuteSCSICommand = 0x83,
388 BusLogic_InquireFirmwareVersion3rdDigit = 0x84,
389 BusLogic_InquireFirmwareVersionLetter = 0x85,
390 BusLogic_InquirePCIHostAdapterInformation = 0x86,
391 BusLogic_InquireHostAdapterModelNumber = 0x8B,
392 BusLogic_InquireSynchronousPeriod = 0x8C,
393 BusLogic_InquireExtendedSetupInformation = 0x8D,
394 BusLogic_EnableStrictRoundRobinMode = 0x8F,
395 BusLogic_StoreHostAdapterLocalRAM = 0x90,
396 BusLogic_FetchHostAdapterLocalRAM = 0x91,
397 BusLogic_StoreLocalDataInEEPROM = 0x92,
398 BusLogic_UploadAutoSCSICode = 0x94,
399 BusLogic_ModifyIOAddress = 0x95,
400 BusLogic_SetCCBFormat = 0x96,
401 BusLogic_WriteInquiryBuffer = 0x9A,
402 BusLogic_ReadInquiryBuffer = 0x9B,
403 BusLogic_FlashROMUploadDownload = 0xA7,
404 BusLogic_ReadSCAMData = 0xA8,
405 BusLogic_WriteSCAMData = 0xA9
406};
407
408/*
409 Define the Inquire Board ID reply structure.
410*/
411
412struct BusLogic_BoardID {
413 unsigned char BoardType; /* Byte 0 */
414 unsigned char CustomFeatures; /* Byte 1 */
415 unsigned char FirmwareVersion1stDigit; /* Byte 2 */
416 unsigned char FirmwareVersion2ndDigit; /* Byte 3 */
417};
418
419/*
420 Define the Inquire Configuration reply structure.
421*/
422
423struct BusLogic_Configuration {
424 unsigned char:5; /* Byte 0 Bits 0-4 */
425 bool DMA_Channel5:1; /* Byte 0 Bit 5 */
426 bool DMA_Channel6:1; /* Byte 0 Bit 6 */
427 bool DMA_Channel7:1; /* Byte 0 Bit 7 */
428 bool IRQ_Channel9:1; /* Byte 1 Bit 0 */
429 bool IRQ_Channel10:1; /* Byte 1 Bit 1 */
430 bool IRQ_Channel11:1; /* Byte 1 Bit 2 */
431 bool IRQ_Channel12:1; /* Byte 1 Bit 3 */
432 unsigned char:1; /* Byte 1 Bit 4 */
433 bool IRQ_Channel14:1; /* Byte 1 Bit 5 */
434 bool IRQ_Channel15:1; /* Byte 1 Bit 6 */
435 unsigned char:1; /* Byte 1 Bit 7 */
436 unsigned char HostAdapterID:4; /* Byte 2 Bits 0-3 */
437 unsigned char:4; /* Byte 2 Bits 4-7 */
438};
439
440/*
441 Define the Inquire Setup Information reply structure.
442*/
443
444struct BusLogic_SynchronousValue {
445 unsigned char Offset:4; /* Bits 0-3 */
446 unsigned char TransferPeriod:3; /* Bits 4-6 */
447 bool Synchronous:1; /* Bit 7 */
448};
449
450struct BusLogic_SetupInformation {
451 bool SynchronousInitiationEnabled:1; /* Byte 0 Bit 0 */
452 bool ParityCheckingEnabled:1; /* Byte 0 Bit 1 */
453 unsigned char:6; /* Byte 0 Bits 2-7 */
454 unsigned char BusTransferRate; /* Byte 1 */
455 unsigned char PreemptTimeOnBus; /* Byte 2 */
456 unsigned char TimeOffBus; /* Byte 3 */
457 unsigned char MailboxCount; /* Byte 4 */
458 unsigned char MailboxAddress[3]; /* Bytes 5-7 */
459 struct BusLogic_SynchronousValue SynchronousValuesID0to7[8]; /* Bytes 8-15 */
460 unsigned char DisconnectPermittedID0to7; /* Byte 16 */
461 unsigned char Signature; /* Byte 17 */
462 unsigned char CharacterD; /* Byte 18 */
463 unsigned char HostBusType; /* Byte 19 */
464 unsigned char WideTransfersPermittedID0to7; /* Byte 20 */
465 unsigned char WideTransfersActiveID0to7; /* Byte 21 */
466 struct BusLogic_SynchronousValue SynchronousValuesID8to15[8]; /* Bytes 22-29 */
467 unsigned char DisconnectPermittedID8to15; /* Byte 30 */
468 unsigned char:8; /* Byte 31 */
469 unsigned char WideTransfersPermittedID8to15; /* Byte 32 */
470 unsigned char WideTransfersActiveID8to15; /* Byte 33 */
471};
472
473/*
474 Define the Initialize Extended Mailbox request structure.
475*/
476
477struct BusLogic_ExtendedMailboxRequest {
478 unsigned char MailboxCount; /* Byte 0 */
479 u32 BaseMailboxAddress; /* Bytes 1-4 */
480} PACKED;
481
482
483/*
484 Define the Inquire PCI Host Adapter Information reply type. The ISA
485 Compatible I/O Port values are defined here and are also used with
486 the Modify I/O Address command.
487*/
488
489enum BusLogic_ISACompatibleIOPort {
490 BusLogic_IO_330 = 0,
491 BusLogic_IO_334 = 1,
492 BusLogic_IO_230 = 2,
493 BusLogic_IO_234 = 3,
494 BusLogic_IO_130 = 4,
495 BusLogic_IO_134 = 5,
496 BusLogic_IO_Disable = 6,
497 BusLogic_IO_Disable2 = 7
498} PACKED;
499
500struct BusLogic_PCIHostAdapterInformation {
501 enum BusLogic_ISACompatibleIOPort ISACompatibleIOPort; /* Byte 0 */
502 unsigned char PCIAssignedIRQChannel; /* Byte 1 */
503 bool LowByteTerminated:1; /* Byte 2 Bit 0 */
504 bool HighByteTerminated:1; /* Byte 2 Bit 1 */
505 unsigned char:2; /* Byte 2 Bits 2-3 */
506 bool JP1:1; /* Byte 2 Bit 4 */
507 bool JP2:1; /* Byte 2 Bit 5 */
508 bool JP3:1; /* Byte 2 Bit 6 */
509 bool GenericInfoValid:1;/* Byte 2 Bit 7 */
510 unsigned char:8; /* Byte 3 */
511};
512
513/*
514 Define the Inquire Extended Setup Information reply structure.
515*/
516
517struct BusLogic_ExtendedSetupInformation {
518 unsigned char BusType; /* Byte 0 */
519 unsigned char BIOS_Address; /* Byte 1 */
520 unsigned short ScatterGatherLimit; /* Bytes 2-3 */
521 unsigned char MailboxCount; /* Byte 4 */
522 u32 BaseMailboxAddress; /* Bytes 5-8 */
523 struct {
524 unsigned char:2; /* Byte 9 Bits 0-1 */
525 bool FastOnEISA:1; /* Byte 9 Bit 2 */
526 unsigned char:3; /* Byte 9 Bits 3-5 */
527 bool LevelSensitiveInterrupt:1; /* Byte 9 Bit 6 */
528 unsigned char:1; /* Byte 9 Bit 7 */
529 } Misc;
530 unsigned char FirmwareRevision[3]; /* Bytes 10-12 */
531 bool HostWideSCSI:1; /* Byte 13 Bit 0 */
532 bool HostDifferentialSCSI:1; /* Byte 13 Bit 1 */
533 bool HostSupportsSCAM:1; /* Byte 13 Bit 2 */
534 bool HostUltraSCSI:1; /* Byte 13 Bit 3 */
535 bool HostSmartTermination:1; /* Byte 13 Bit 4 */
536 unsigned char:3; /* Byte 13 Bits 5-7 */
537} PACKED;
538
539/*
540 Define the Enable Strict Round Robin Mode request type.
541*/
542
543enum BusLogic_RoundRobinModeRequest {
544 BusLogic_AggressiveRoundRobinMode = 0,
545 BusLogic_StrictRoundRobinMode = 1
546} PACKED;
547
548
549/*
550 Define the Fetch Host Adapter Local RAM request type.
551*/
552
553#define BusLogic_BIOS_BaseOffset 0
554#define BusLogic_AutoSCSI_BaseOffset 64
555
556struct BusLogic_FetchHostAdapterLocalRAMRequest {
557 unsigned char ByteOffset; /* Byte 0 */
558 unsigned char ByteCount; /* Byte 1 */
559};
560
561/*
562 Define the Host Adapter Local RAM AutoSCSI structure.
563*/
564
565struct BusLogic_AutoSCSIData {
566 unsigned char InternalFactorySignature[2]; /* Bytes 0-1 */
567 unsigned char InformationByteCount; /* Byte 2 */
568 unsigned char HostAdapterType[6]; /* Bytes 3-8 */
569 unsigned char:8; /* Byte 9 */
570 bool FloppyEnabled:1; /* Byte 10 Bit 0 */
571 bool FloppySecondary:1; /* Byte 10 Bit 1 */
572 bool LevelSensitiveInterrupt:1; /* Byte 10 Bit 2 */
573 unsigned char:2; /* Byte 10 Bits 3-4 */
574 unsigned char SystemRAMAreaForBIOS:3; /* Byte 10 Bits 5-7 */
575 unsigned char DMA_Channel:7; /* Byte 11 Bits 0-6 */
576 bool DMA_AutoConfiguration:1; /* Byte 11 Bit 7 */
577 unsigned char IRQ_Channel:7; /* Byte 12 Bits 0-6 */
578 bool IRQ_AutoConfiguration:1; /* Byte 12 Bit 7 */
579 unsigned char DMA_TransferRate; /* Byte 13 */
580 unsigned char SCSI_ID; /* Byte 14 */
581 bool LowByteTerminated:1; /* Byte 15 Bit 0 */
582 bool ParityCheckingEnabled:1; /* Byte 15 Bit 1 */
583 bool HighByteTerminated:1; /* Byte 15 Bit 2 */
584 bool NoisyCablingEnvironment:1; /* Byte 15 Bit 3 */
585 bool FastSynchronousNegotiation:1; /* Byte 15 Bit 4 */
586 bool BusResetEnabled:1; /* Byte 15 Bit 5 */
587 bool:1; /* Byte 15 Bit 6 */
588 bool ActiveNegationEnabled:1; /* Byte 15 Bit 7 */
589 unsigned char BusOnDelay; /* Byte 16 */
590 unsigned char BusOffDelay; /* Byte 17 */
591 bool HostAdapterBIOSEnabled:1; /* Byte 18 Bit 0 */
592 bool BIOSRedirectionOfINT19Enabled:1; /* Byte 18 Bit 1 */
593 bool ExtendedTranslationEnabled:1; /* Byte 18 Bit 2 */
594 bool MapRemovableAsFixedEnabled:1; /* Byte 18 Bit 3 */
595 bool:1; /* Byte 18 Bit 4 */
596 bool BIOSSupportsMoreThan2DrivesEnabled:1; /* Byte 18 Bit 5 */
597 bool BIOSInterruptModeEnabled:1; /* Byte 18 Bit 6 */
598 bool FlopticalSupportEnabled:1; /* Byte 19 Bit 7 */
599 unsigned short DeviceEnabled; /* Bytes 19-20 */
600 unsigned short WidePermitted; /* Bytes 21-22 */
601 unsigned short FastPermitted; /* Bytes 23-24 */
602 unsigned short SynchronousPermitted; /* Bytes 25-26 */
603 unsigned short DisconnectPermitted; /* Bytes 27-28 */
604 unsigned short SendStartUnitCommand; /* Bytes 29-30 */
605 unsigned short IgnoreInBIOSScan; /* Bytes 31-32 */
606 unsigned char PCIInterruptPin:2; /* Byte 33 Bits 0-1 */
607 unsigned char HostAdapterIOPortAddress:2; /* Byte 33 Bits 2-3 */
608 bool StrictRoundRobinModeEnabled:1; /* Byte 33 Bit 4 */
609 bool VESABusSpeedGreaterThan33MHz:1; /* Byte 33 Bit 5 */
610 bool VESABurstWriteEnabled:1; /* Byte 33 Bit 6 */
611 bool VESABurstReadEnabled:1; /* Byte 33 Bit 7 */
612 unsigned short UltraPermitted; /* Bytes 34-35 */
613 unsigned int:32; /* Bytes 36-39 */
614 unsigned char:8; /* Byte 40 */
615 unsigned char AutoSCSIMaximumLUN; /* Byte 41 */
616 bool:1; /* Byte 42 Bit 0 */
617 bool SCAM_Dominant:1; /* Byte 42 Bit 1 */
618 bool SCAM_Enabled:1; /* Byte 42 Bit 2 */
619 bool SCAM_Level2:1; /* Byte 42 Bit 3 */
620 unsigned char:4; /* Byte 42 Bits 4-7 */
621 bool INT13ExtensionEnabled:1; /* Byte 43 Bit 0 */
622 bool:1; /* Byte 43 Bit 1 */
623 bool CDROMBootEnabled:1; /* Byte 43 Bit 2 */
624 unsigned char:5; /* Byte 43 Bits 3-7 */
625 unsigned char BootTargetID:4; /* Byte 44 Bits 0-3 */
626 unsigned char BootChannel:4; /* Byte 44 Bits 4-7 */
627 unsigned char ForceBusDeviceScanningOrder:1; /* Byte 45 Bit 0 */
628 unsigned char:7; /* Byte 45 Bits 1-7 */
629 unsigned short NonTaggedToAlternateLUNPermitted; /* Bytes 46-47 */
630 unsigned short RenegotiateSyncAfterCheckCondition; /* Bytes 48-49 */
631 unsigned char Reserved[10]; /* Bytes 50-59 */
632 unsigned char ManufacturingDiagnostic[2]; /* Bytes 60-61 */
633 unsigned short Checksum; /* Bytes 62-63 */
634} PACKED;
635
636/*
637 Define the Host Adapter Local RAM Auto SCSI Byte 45 structure.
638*/
639
640struct BusLogic_AutoSCSIByte45 {
641 unsigned char ForceBusDeviceScanningOrder:1; /* Bit 0 */
642 unsigned char:7; /* Bits 1-7 */
643};
644
645/*
646 Define the Host Adapter Local RAM BIOS Drive Map Byte structure.
647*/
648
649#define BusLogic_BIOS_DriveMapOffset 17
650
651struct BusLogic_BIOSDriveMapByte {
652 unsigned char TargetIDBit3:1; /* Bit 0 */
653 unsigned char:2; /* Bits 1-2 */
654 enum BusLogic_BIOS_DiskGeometryTranslation DiskGeometry:2; /* Bits 3-4 */
655 unsigned char TargetID:3; /* Bits 5-7 */
656};
657
658/*
659 Define the Set CCB Format request type. Extended LUN Format CCBs are
660 necessary to support more than 8 Logical Units per Target Device.
661*/
662
663enum BusLogic_SetCCBFormatRequest {
664 BusLogic_LegacyLUNFormatCCB = 0,
665 BusLogic_ExtendedLUNFormatCCB = 1
666} PACKED;
667
668/*
669 Define the Outgoing Mailbox Action Codes.
670*/
671
672enum BusLogic_ActionCode {
673 BusLogic_OutgoingMailboxFree = 0x00,
674 BusLogic_MailboxStartCommand = 0x01,
675 BusLogic_MailboxAbortCommand = 0x02
676} PACKED;
677
678
679/*
680 Define the Incoming Mailbox Completion Codes. The MultiMaster Firmware
681 only uses codes 0 - 4. The FlashPoint SCCB Manager has no mailboxes, so
682 completion codes are stored in the CCB; it only uses codes 1, 2, 4, and 5.
683*/
684
685enum BusLogic_CompletionCode {
686 BusLogic_IncomingMailboxFree = 0x00,
687 BusLogic_CommandCompletedWithoutError = 0x01,
688 BusLogic_CommandAbortedAtHostRequest = 0x02,
689 BusLogic_AbortedCommandNotFound = 0x03,
690 BusLogic_CommandCompletedWithError = 0x04,
691 BusLogic_InvalidCCB = 0x05
692} PACKED;
693
694/*
695 Define the Command Control Block (CCB) Opcodes.
696*/
697
698enum BusLogic_CCB_Opcode {
699 BusLogic_InitiatorCCB = 0x00,
700 BusLogic_TargetCCB = 0x01,
701 BusLogic_InitiatorCCB_ScatterGather = 0x02,
702 BusLogic_InitiatorCCB_ResidualDataLength = 0x03,
703 BusLogic_InitiatorCCB_ScatterGatherResidual = 0x04,
704 BusLogic_BusDeviceReset = 0x81
705} PACKED;
706
707
708/*
709 Define the CCB Data Direction Codes.
710*/
711
712enum BusLogic_DataDirection {
713 BusLogic_UncheckedDataTransfer = 0,
714 BusLogic_DataInLengthChecked = 1,
715 BusLogic_DataOutLengthChecked = 2,
716 BusLogic_NoDataTransfer = 3
717};
718
719
720/*
721 Define the Host Adapter Status Codes. The MultiMaster Firmware does not
722 return status code 0x0C; it uses 0x12 for both overruns and underruns.
723*/
724
725enum BusLogic_HostAdapterStatus {
726 BusLogic_CommandCompletedNormally = 0x00,
727 BusLogic_LinkedCommandCompleted = 0x0A,
728 BusLogic_LinkedCommandCompletedWithFlag = 0x0B,
729 BusLogic_DataUnderRun = 0x0C,
730 BusLogic_SCSISelectionTimeout = 0x11,
731 BusLogic_DataOverRun = 0x12,
732 BusLogic_UnexpectedBusFree = 0x13,
733 BusLogic_InvalidBusPhaseRequested = 0x14,
734 BusLogic_InvalidOutgoingMailboxActionCode = 0x15,
735 BusLogic_InvalidCommandOperationCode = 0x16,
736 BusLogic_LinkedCCBhasInvalidLUN = 0x17,
737 BusLogic_InvalidCommandParameter = 0x1A,
738 BusLogic_AutoRequestSenseFailed = 0x1B,
739 BusLogic_TaggedQueuingMessageRejected = 0x1C,
740 BusLogic_UnsupportedMessageReceived = 0x1D,
741 BusLogic_HostAdapterHardwareFailed = 0x20,
742 BusLogic_TargetFailedResponseToATN = 0x21,
743 BusLogic_HostAdapterAssertedRST = 0x22,
744 BusLogic_OtherDeviceAssertedRST = 0x23,
745 BusLogic_TargetDeviceReconnectedImproperly = 0x24,
746 BusLogic_HostAdapterAssertedBusDeviceReset = 0x25,
747 BusLogic_AbortQueueGenerated = 0x26,
748 BusLogic_HostAdapterSoftwareError = 0x27,
749 BusLogic_HostAdapterHardwareTimeoutError = 0x30,
750 BusLogic_SCSIParityErrorDetected = 0x34
751} PACKED;
752
753
754/*
755 Define the SCSI Target Device Status Codes.
756*/
757
758enum BusLogic_TargetDeviceStatus {
759 BusLogic_OperationGood = 0x00,
760 BusLogic_CheckCondition = 0x02,
761 BusLogic_DeviceBusy = 0x08
762} PACKED;
763
764/*
765 Define the Queue Tag Codes.
766*/
767
768enum BusLogic_QueueTag {
769 BusLogic_SimpleQueueTag = 0,
770 BusLogic_HeadOfQueueTag = 1,
771 BusLogic_OrderedQueueTag = 2,
772 BusLogic_ReservedQT = 3
773};
774
775/*
776 Define the SCSI Command Descriptor Block (CDB).
777*/
778
779#define BusLogic_CDB_MaxLength 12
780
781typedef unsigned char SCSI_CDB_T[BusLogic_CDB_MaxLength];
782
783
784/*
785 Define the Scatter/Gather Segment structure required by the MultiMaster
786 Firmware Interface and the FlashPoint SCCB Manager.
787*/
788
789struct BusLogic_ScatterGatherSegment {
790 u32 SegmentByteCount; /* Bytes 0-3 */
791 u32 SegmentDataPointer; /* Bytes 4-7 */
792};
793
794/*
795 Define the Driver CCB Status Codes.
796*/
797
798enum BusLogic_CCB_Status {
799 BusLogic_CCB_Free = 0,
800 BusLogic_CCB_Active = 1,
801 BusLogic_CCB_Completed = 2,
802 BusLogic_CCB_Reset = 3
803} PACKED;
804
805
806/*
807 Define the 32 Bit Mode Command Control Block (CCB) structure. The first 40
808 bytes are defined by and common to both the MultiMaster Firmware and the
809 FlashPoint SCCB Manager. The next 60 bytes are defined by the FlashPoint
810 SCCB Manager. The remaining components are defined by the Linux BusLogic
811 Driver. Extended LUN Format CCBs differ from Legacy LUN Format 32 Bit Mode
812 CCBs only in having the TagEnable and QueueTag fields moved from byte 17 to
813 byte 1, and the Logical Unit field in byte 17 expanded to 6 bits. In theory,
814 Extended LUN Format CCBs can support up to 64 Logical Units, but in practice
815 many devices will respond improperly to Logical Units between 32 and 63, and
816 the SCSI-2 specification defines Bit 5 as LUNTAR. Extended LUN Format CCBs
817 are used by recent versions of the MultiMaster Firmware, as well as by the
818 FlashPoint SCCB Manager; the FlashPoint SCCB Manager only supports 32 Logical
819 Units. Since 64 Logical Units are unlikely to be needed in practice, and
820 since they are problematic for the above reasons, and since limiting them to
821 5 bits simplifies the CCB structure definition, this driver only supports
822 32 Logical Units per Target Device.
823*/
824
825struct BusLogic_CCB {
826 /*
827 MultiMaster Firmware and FlashPoint SCCB Manager Common Portion.
828 */
829 enum BusLogic_CCB_Opcode Opcode; /* Byte 0 */
830 unsigned char:3; /* Byte 1 Bits 0-2 */
831 enum BusLogic_DataDirection DataDirection:2; /* Byte 1 Bits 3-4 */
832 bool TagEnable:1; /* Byte 1 Bit 5 */
833 enum BusLogic_QueueTag QueueTag:2; /* Byte 1 Bits 6-7 */
834 unsigned char CDB_Length; /* Byte 2 */
835 unsigned char SenseDataLength; /* Byte 3 */
836 u32 DataLength; /* Bytes 4-7 */
837 u32 DataPointer; /* Bytes 8-11 */
838 unsigned char:8; /* Byte 12 */
839 unsigned char:8; /* Byte 13 */
840 enum BusLogic_HostAdapterStatus HostAdapterStatus; /* Byte 14 */
841 enum BusLogic_TargetDeviceStatus TargetDeviceStatus; /* Byte 15 */
842 unsigned char TargetID; /* Byte 16 */
843 unsigned char LogicalUnit:5; /* Byte 17 Bits 0-4 */
844 bool LegacyTagEnable:1; /* Byte 17 Bit 5 */
845 enum BusLogic_QueueTag LegacyQueueTag:2; /* Byte 17 Bits 6-7 */
846 SCSI_CDB_T CDB; /* Bytes 18-29 */
847 unsigned char:8; /* Byte 30 */
848 unsigned char:8; /* Byte 31 */
849 unsigned int:32; /* Bytes 32-35 */
850 u32 SenseDataPointer; /* Bytes 36-39 */
851 /*
852 FlashPoint SCCB Manager Defined Portion.
853 */
854 void (*CallbackFunction) (struct BusLogic_CCB *); /* Bytes 40-43 */
855 u32 BaseAddress; /* Bytes 44-47 */
856 enum BusLogic_CompletionCode CompletionCode; /* Byte 48 */
857#ifdef CONFIG_SCSI_FLASHPOINT
858 unsigned char:8; /* Byte 49 */
859 unsigned short OS_Flags; /* Bytes 50-51 */
860 unsigned char Private[48]; /* Bytes 52-99 */
861#endif
862 /*
863 BusLogic Linux Driver Defined Portion.
864 */
865 dma_addr_t AllocationGroupHead;
866 unsigned int AllocationGroupSize;
867 u32 DMA_Handle;
868 enum BusLogic_CCB_Status Status;
869 unsigned long SerialNumber;
870 struct scsi_cmnd *Command;
871 struct BusLogic_HostAdapter *HostAdapter;
872 struct BusLogic_CCB *Next;
873 struct BusLogic_CCB *NextAll;
874 struct BusLogic_ScatterGatherSegment
875 ScatterGatherList[BusLogic_ScatterGatherLimit];
876};
877
878/*
879 Define the 32 Bit Mode Outgoing Mailbox structure.
880*/
881
882struct BusLogic_OutgoingMailbox {
883 u32 CCB; /* Bytes 0-3 */
884 unsigned int:24; /* Bytes 4-6 */
885 enum BusLogic_ActionCode ActionCode; /* Byte 7 */
886};
887
888/*
889 Define the 32 Bit Mode Incoming Mailbox structure.
890*/
891
892struct BusLogic_IncomingMailbox {
893 u32 CCB; /* Bytes 0-3 */
894 enum BusLogic_HostAdapterStatus HostAdapterStatus; /* Byte 4 */
895 enum BusLogic_TargetDeviceStatus TargetDeviceStatus; /* Byte 5 */
896 unsigned char:8; /* Byte 6 */
897 enum BusLogic_CompletionCode CompletionCode; /* Byte 7 */
898};
899
900
901/*
902 Define the BusLogic Driver Options structure.
903*/
904
905struct BusLogic_DriverOptions {
906 unsigned short TaggedQueuingPermitted;
907 unsigned short TaggedQueuingPermittedMask;
908 unsigned short BusSettleTime;
909 struct BusLogic_LocalOptions LocalOptions;
910 unsigned char CommonQueueDepth;
911 unsigned char QueueDepth[BusLogic_MaxTargetDevices];
912};
913
914/*
915 Define the Host Adapter Target Flags structure.
916*/
917
918struct BusLogic_TargetFlags {
919 bool TargetExists:1;
920 bool TaggedQueuingSupported:1;
921 bool WideTransfersSupported:1;
922 bool TaggedQueuingActive:1;
923 bool WideTransfersActive:1;
924 bool CommandSuccessfulFlag:1;
925 bool TargetInfoReported:1;
926};
927
928/*
929 Define the Host Adapter Target Statistics structure.
930*/
931
932#define BusLogic_SizeBuckets 10
933
934typedef unsigned int BusLogic_CommandSizeBuckets_T[BusLogic_SizeBuckets];
935
936struct BusLogic_TargetStatistics {
937 unsigned int CommandsAttempted;
938 unsigned int CommandsCompleted;
939 unsigned int ReadCommands;
940 unsigned int WriteCommands;
941 struct BusLogic_ByteCounter TotalBytesRead;
942 struct BusLogic_ByteCounter TotalBytesWritten;
943 BusLogic_CommandSizeBuckets_T ReadCommandSizeBuckets;
944 BusLogic_CommandSizeBuckets_T WriteCommandSizeBuckets;
945 unsigned short CommandAbortsRequested;
946 unsigned short CommandAbortsAttempted;
947 unsigned short CommandAbortsCompleted;
948 unsigned short BusDeviceResetsRequested;
949 unsigned short BusDeviceResetsAttempted;
950 unsigned short BusDeviceResetsCompleted;
951 unsigned short HostAdapterResetsRequested;
952 unsigned short HostAdapterResetsAttempted;
953 unsigned short HostAdapterResetsCompleted;
954};
955
956/*
957 Define the FlashPoint Card Handle data type.
958*/
959
960#define FlashPoint_BadCardHandle 0xFFFFFFFF
961
962typedef unsigned int FlashPoint_CardHandle_T;
963
964
965/*
966 Define the FlashPoint Information structure. This structure is defined
967 by the FlashPoint SCCB Manager.
968*/
969
970struct FlashPoint_Info {
971 u32 BaseAddress; /* Bytes 0-3 */
972 bool Present; /* Byte 4 */
973 unsigned char IRQ_Channel; /* Byte 5 */
974 unsigned char SCSI_ID; /* Byte 6 */
975 unsigned char SCSI_LUN; /* Byte 7 */
976 unsigned short FirmwareRevision; /* Bytes 8-9 */
977 unsigned short SynchronousPermitted; /* Bytes 10-11 */
978 unsigned short FastPermitted; /* Bytes 12-13 */
979 unsigned short UltraPermitted; /* Bytes 14-15 */
980 unsigned short DisconnectPermitted; /* Bytes 16-17 */
981 unsigned short WidePermitted; /* Bytes 18-19 */
982 bool ParityCheckingEnabled:1; /* Byte 20 Bit 0 */
983 bool HostWideSCSI:1; /* Byte 20 Bit 1 */
984 bool HostSoftReset:1; /* Byte 20 Bit 2 */
985 bool ExtendedTranslationEnabled:1; /* Byte 20 Bit 3 */
986 bool LowByteTerminated:1; /* Byte 20 Bit 4 */
987 bool HighByteTerminated:1; /* Byte 20 Bit 5 */
988 bool ReportDataUnderrun:1; /* Byte 20 Bit 6 */
989 bool SCAM_Enabled:1; /* Byte 20 Bit 7 */
990 bool SCAM_Level2:1; /* Byte 21 Bit 0 */
991 unsigned char:7; /* Byte 21 Bits 1-7 */
992 unsigned char Family; /* Byte 22 */
993 unsigned char BusType; /* Byte 23 */
994 unsigned char ModelNumber[3]; /* Bytes 24-26 */
995 unsigned char RelativeCardNumber; /* Byte 27 */
996 unsigned char Reserved[4]; /* Bytes 28-31 */
997 unsigned int OS_Reserved; /* Bytes 32-35 */
998 unsigned char TranslationInfo[4]; /* Bytes 36-39 */
999 unsigned int Reserved2[5]; /* Bytes 40-59 */
1000 unsigned int SecondaryRange; /* Bytes 60-63 */
1001};
1002
1003/*
1004 Define the BusLogic Driver Host Adapter structure.
1005*/
1006
1007struct BusLogic_HostAdapter {
1008 struct Scsi_Host *SCSI_Host;
1009 struct pci_dev *PCI_Device;
1010 enum BusLogic_HostAdapterType HostAdapterType;
1011 enum BusLogic_HostAdapterBusType HostAdapterBusType;
1012 unsigned long IO_Address;
1013 unsigned long PCI_Address;
1014 unsigned short AddressCount;
1015 unsigned char HostNumber;
1016 unsigned char ModelName[9];
1017 unsigned char FirmwareVersion[6];
1018 unsigned char FullModelName[18];
1019 unsigned char Bus;
1020 unsigned char Device;
1021 unsigned char IRQ_Channel;
1022 unsigned char DMA_Channel;
1023 unsigned char SCSI_ID;
1024 bool IRQ_ChannelAcquired:1;
1025 bool DMA_ChannelAcquired:1;
1026 bool ExtendedTranslationEnabled:1;
1027 bool ParityCheckingEnabled:1;
1028 bool BusResetEnabled:1;
1029 bool LevelSensitiveInterrupt:1;
1030 bool HostWideSCSI:1;
1031 bool HostDifferentialSCSI:1;
1032 bool HostSupportsSCAM:1;
1033 bool HostUltraSCSI:1;
1034 bool ExtendedLUNSupport:1;
1035 bool TerminationInfoValid:1;
1036 bool LowByteTerminated:1;
1037 bool HighByteTerminated:1;
1038 bool BounceBuffersRequired:1;
1039 bool StrictRoundRobinModeSupport:1;
1040 bool SCAM_Enabled:1;
1041 bool SCAM_Level2:1;
1042 bool HostAdapterInitialized:1;
1043 bool HostAdapterExternalReset:1;
1044 bool HostAdapterInternalError:1;
1045 bool ProcessCompletedCCBsActive;
1046 volatile bool HostAdapterCommandCompleted;
1047 unsigned short HostAdapterScatterGatherLimit;
1048 unsigned short DriverScatterGatherLimit;
1049 unsigned short MaxTargetDevices;
1050 unsigned short MaxLogicalUnits;
1051 unsigned short MailboxCount;
1052 unsigned short InitialCCBs;
1053 unsigned short IncrementalCCBs;
1054 unsigned short AllocatedCCBs;
1055 unsigned short DriverQueueDepth;
1056 unsigned short HostAdapterQueueDepth;
1057 unsigned short UntaggedQueueDepth;
1058 unsigned short CommonQueueDepth;
1059 unsigned short BusSettleTime;
1060 unsigned short SynchronousPermitted;
1061 unsigned short FastPermitted;
1062 unsigned short UltraPermitted;
1063 unsigned short WidePermitted;
1064 unsigned short DisconnectPermitted;
1065 unsigned short TaggedQueuingPermitted;
1066 unsigned short ExternalHostAdapterResets;
1067 unsigned short HostAdapterInternalErrors;
1068 unsigned short TargetDeviceCount;
1069 unsigned short MessageBufferLength;
1070 u32 BIOS_Address;
1071 struct BusLogic_DriverOptions *DriverOptions;
1072 struct FlashPoint_Info FlashPointInfo;
1073 FlashPoint_CardHandle_T CardHandle;
1074 struct list_head host_list;
1075 struct BusLogic_CCB *All_CCBs;
1076 struct BusLogic_CCB *Free_CCBs;
1077 struct BusLogic_CCB *FirstCompletedCCB;
1078 struct BusLogic_CCB *LastCompletedCCB;
1079 struct BusLogic_CCB *BusDeviceResetPendingCCB[BusLogic_MaxTargetDevices];
1080 struct BusLogic_TargetFlags TargetFlags[BusLogic_MaxTargetDevices];
1081 unsigned char QueueDepth[BusLogic_MaxTargetDevices];
1082 unsigned char SynchronousPeriod[BusLogic_MaxTargetDevices];
1083 unsigned char SynchronousOffset[BusLogic_MaxTargetDevices];
1084 unsigned char ActiveCommands[BusLogic_MaxTargetDevices];
1085 unsigned int CommandsSinceReset[BusLogic_MaxTargetDevices];
1086 unsigned long LastSequencePoint[BusLogic_MaxTargetDevices];
1087 unsigned long LastResetAttempted[BusLogic_MaxTargetDevices];
1088 unsigned long LastResetCompleted[BusLogic_MaxTargetDevices];
1089 struct BusLogic_OutgoingMailbox *FirstOutgoingMailbox;
1090 struct BusLogic_OutgoingMailbox *LastOutgoingMailbox;
1091 struct BusLogic_OutgoingMailbox *NextOutgoingMailbox;
1092 struct BusLogic_IncomingMailbox *FirstIncomingMailbox;
1093 struct BusLogic_IncomingMailbox *LastIncomingMailbox;
1094 struct BusLogic_IncomingMailbox *NextIncomingMailbox;
1095 struct BusLogic_TargetStatistics TargetStatistics[BusLogic_MaxTargetDevices];
1096 unsigned char *MailboxSpace;
1097 dma_addr_t MailboxSpaceHandle;
1098 unsigned int MailboxSize;
1099 unsigned long CCB_Offset;
1100 char MessageBuffer[BusLogic_MessageBufferSize];
1101};
1102
1103/*
1104 Define a structure for the BIOS Disk Parameters.
1105*/
1106
1107struct BIOS_DiskParameters {
1108 int Heads;
1109 int Sectors;
1110 int Cylinders;
1111};
1112
1113/*
1114 Define a structure for the SCSI Inquiry command results.
1115*/
1116
1117struct SCSI_Inquiry {
1118 unsigned char PeripheralDeviceType:5; /* Byte 0 Bits 0-4 */
1119 unsigned char PeripheralQualifier:3; /* Byte 0 Bits 5-7 */
1120 unsigned char DeviceTypeModifier:7; /* Byte 1 Bits 0-6 */
1121 bool RMB:1; /* Byte 1 Bit 7 */
1122 unsigned char ANSI_ApprovedVersion:3; /* Byte 2 Bits 0-2 */
1123 unsigned char ECMA_Version:3; /* Byte 2 Bits 3-5 */
1124 unsigned char ISO_Version:2; /* Byte 2 Bits 6-7 */
1125 unsigned char ResponseDataFormat:4; /* Byte 3 Bits 0-3 */
1126 unsigned char:2; /* Byte 3 Bits 4-5 */
1127 bool TrmIOP:1; /* Byte 3 Bit 6 */
1128 bool AENC:1; /* Byte 3 Bit 7 */
1129 unsigned char AdditionalLength; /* Byte 4 */
1130 unsigned char:8; /* Byte 5 */
1131 unsigned char:8; /* Byte 6 */
1132 bool SftRe:1; /* Byte 7 Bit 0 */
1133 bool CmdQue:1; /* Byte 7 Bit 1 */
1134 bool:1; /* Byte 7 Bit 2 */
1135 bool Linked:1; /* Byte 7 Bit 3 */
1136 bool Sync:1; /* Byte 7 Bit 4 */
1137 bool WBus16:1; /* Byte 7 Bit 5 */
1138 bool WBus32:1; /* Byte 7 Bit 6 */
1139 bool RelAdr:1; /* Byte 7 Bit 7 */
1140 unsigned char VendorIdentification[8]; /* Bytes 8-15 */
1141 unsigned char ProductIdentification[16]; /* Bytes 16-31 */
1142 unsigned char ProductRevisionLevel[4]; /* Bytes 32-35 */
1143};
1144
1145
1146/*
1147 Define functions to provide an abstraction for reading and writing the
1148 Host Adapter I/O Registers.
1149*/
1150
1151static inline void BusLogic_SCSIBusReset(struct BusLogic_HostAdapter *HostAdapter)
1152{
1153 union BusLogic_ControlRegister ControlRegister;
1154 ControlRegister.All = 0;
1155 ControlRegister.cr.SCSIBusReset = true;
1156 outb(ControlRegister.All, HostAdapter->IO_Address + BusLogic_ControlRegisterOffset);
1157}
1158
1159static inline void BusLogic_InterruptReset(struct BusLogic_HostAdapter *HostAdapter)
1160{
1161 union BusLogic_ControlRegister ControlRegister;
1162 ControlRegister.All = 0;
1163 ControlRegister.cr.InterruptReset = true;
1164 outb(ControlRegister.All, HostAdapter->IO_Address + BusLogic_ControlRegisterOffset);
1165}
1166
1167static inline void BusLogic_SoftReset(struct BusLogic_HostAdapter *HostAdapter)
1168{
1169 union BusLogic_ControlRegister ControlRegister;
1170 ControlRegister.All = 0;
1171 ControlRegister.cr.SoftReset = true;
1172 outb(ControlRegister.All, HostAdapter->IO_Address + BusLogic_ControlRegisterOffset);
1173}
1174
1175static inline void BusLogic_HardReset(struct BusLogic_HostAdapter *HostAdapter)
1176{
1177 union BusLogic_ControlRegister ControlRegister;
1178 ControlRegister.All = 0;
1179 ControlRegister.cr.HardReset = true;
1180 outb(ControlRegister.All, HostAdapter->IO_Address + BusLogic_ControlRegisterOffset);
1181}
1182
1183static inline unsigned char BusLogic_ReadStatusRegister(struct BusLogic_HostAdapter *HostAdapter)
1184{
1185 return inb(HostAdapter->IO_Address + BusLogic_StatusRegisterOffset);
1186}
1187
1188static inline void BusLogic_WriteCommandParameterRegister(struct BusLogic_HostAdapter
1189 *HostAdapter, unsigned char Value)
1190{
1191 outb(Value, HostAdapter->IO_Address + BusLogic_CommandParameterRegisterOffset);
1192}
1193
1194static inline unsigned char BusLogic_ReadDataInRegister(struct BusLogic_HostAdapter *HostAdapter)
1195{
1196 return inb(HostAdapter->IO_Address + BusLogic_DataInRegisterOffset);
1197}
1198
1199static inline unsigned char BusLogic_ReadInterruptRegister(struct BusLogic_HostAdapter *HostAdapter)
1200{
1201 return inb(HostAdapter->IO_Address + BusLogic_InterruptRegisterOffset);
1202}
1203
1204static inline unsigned char BusLogic_ReadGeometryRegister(struct BusLogic_HostAdapter *HostAdapter)
1205{
1206 return inb(HostAdapter->IO_Address + BusLogic_GeometryRegisterOffset);
1207}
1208
1209/*
1210 BusLogic_StartMailboxCommand issues an Execute Mailbox Command, which
1211 notifies the Host Adapter that an entry has been made in an Outgoing
1212 Mailbox.
1213*/
1214
1215static inline void BusLogic_StartMailboxCommand(struct BusLogic_HostAdapter *HostAdapter)
1216{
1217 BusLogic_WriteCommandParameterRegister(HostAdapter, BusLogic_ExecuteMailboxCommand);
1218}
1219
1220/*
1221 BusLogic_Delay waits for Seconds to elapse.
1222*/
1223
1224static inline void BusLogic_Delay(int Seconds)
1225{
1226 mdelay(1000 * Seconds);
1227}
1228
1229/*
1230 Virtual_to_Bus and Bus_to_Virtual map between Kernel Virtual Addresses
1231 and PCI/VLB/EISA/ISA Bus Addresses.
1232*/
1233
1234static inline u32 Virtual_to_Bus(void *VirtualAddress)
1235{
1236 return (u32) virt_to_bus(VirtualAddress);
1237}
1238
1239static inline void *Bus_to_Virtual(u32 BusAddress)
1240{
1241 return (void *) bus_to_virt(BusAddress);
1242}
1243
1244/*
1245 Virtual_to_32Bit_Virtual maps between Kernel Virtual Addresses and
1246 32 bit Kernel Virtual Addresses. This avoids compilation warnings
1247 on 64 bit architectures.
1248*/
1249
1250static inline u32 Virtual_to_32Bit_Virtual(void *VirtualAddress)
1251{
1252 return (u32) (unsigned long) VirtualAddress;
1253}
1254
1255/*
1256 BusLogic_IncrementErrorCounter increments Error Counter by 1, stopping at
1257 65535 rather than wrapping around to 0.
1258*/
1259
1260static inline void BusLogic_IncrementErrorCounter(unsigned short *ErrorCounter)
1261{
1262 if (*ErrorCounter < 65535)
1263 (*ErrorCounter)++;
1264}
1265
1266/*
1267 BusLogic_IncrementByteCounter increments Byte Counter by Amount.
1268*/
1269
1270static inline void BusLogic_IncrementByteCounter(struct BusLogic_ByteCounter
1271 *ByteCounter, unsigned int Amount)
1272{
1273 ByteCounter->Units += Amount;
1274 if (ByteCounter->Units > 999999999) {
1275 ByteCounter->Units -= 1000000000;
1276 ByteCounter->Billions++;
1277 }
1278}
1279
1280/*
1281 BusLogic_IncrementSizeBucket increments the Bucket for Amount.
1282*/
1283
1284static inline void BusLogic_IncrementSizeBucket(BusLogic_CommandSizeBuckets_T CommandSizeBuckets, unsigned int Amount)
1285{
1286 int Index = 0;
1287 if (Amount < 8 * 1024) {
1288 if (Amount < 2 * 1024)
1289 Index = (Amount < 1 * 1024 ? 0 : 1);
1290 else
1291 Index = (Amount < 4 * 1024 ? 2 : 3);
1292 } else if (Amount < 128 * 1024) {
1293 if (Amount < 32 * 1024)
1294 Index = (Amount < 16 * 1024 ? 4 : 5);
1295 else
1296 Index = (Amount < 64 * 1024 ? 6 : 7);
1297 } else
1298 Index = (Amount < 256 * 1024 ? 8 : 9);
1299 CommandSizeBuckets[Index]++;
1300}
1301
1302/*
1303 Define the version number of the FlashPoint Firmware (SCCB Manager).
1304*/
1305
1306#define FlashPoint_FirmwareVersion "5.02"
1307
1308/*
1309 Define the possible return values from FlashPoint_HandleInterrupt.
1310*/
1311
1312#define FlashPoint_NormalInterrupt 0x00
1313#define FlashPoint_InternalError 0xFE
1314#define FlashPoint_ExternalBusReset 0xFF
1315
1316/*
1317 Define prototypes for the forward referenced BusLogic Driver
1318 Internal Functions.
1319*/
1320
1321static const char *BusLogic_DriverInfo(struct Scsi_Host *);
1322static int BusLogic_QueueCommand(struct Scsi_Host *h, struct scsi_cmnd *);
1323static int BusLogic_BIOSDiskParameters(struct scsi_device *, struct block_device *, sector_t, int *);
1324static int BusLogic_ProcDirectoryInfo(struct Scsi_Host *, char *, char **, off_t, int, int);
1325static int BusLogic_SlaveConfigure(struct scsi_device *);
1326static void BusLogic_QueueCompletedCCB(struct BusLogic_CCB *);
1327static irqreturn_t BusLogic_InterruptHandler(int, void *);
1328static int BusLogic_ResetHostAdapter(struct BusLogic_HostAdapter *, bool HardReset);
1329static void BusLogic_Message(enum BusLogic_MessageLevel, char *, struct BusLogic_HostAdapter *, ...);
1330static int __init BusLogic_Setup(char *);
1331
1332#endif /* _BUSLOGIC_H */
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3
4 Linux Driver for BusLogic MultiMaster and FlashPoint SCSI Host Adapters
5
6 Copyright 1995-1998 by Leonard N. Zubkoff <lnz@dandelion.com>
7
8
9 The author respectfully requests that any modifications to this software be
10 sent directly to him for evaluation and testing.
11
12 Special thanks to Wayne Yen, Jin-Lon Hon, and Alex Win of BusLogic, whose
13 advice has been invaluable, to David Gentzel, for writing the original Linux
14 BusLogic driver, and to Paul Gortmaker, for being such a dedicated test site.
15
16 Finally, special thanks to Mylex/BusLogic for making the FlashPoint SCCB
17 Manager available as freely redistributable source code.
18
19*/
20
21#ifndef _BUSLOGIC_H
22#define _BUSLOGIC_H
23
24
25#ifndef PACKED
26#define PACKED __attribute__((packed))
27#endif
28
29/*
30 Define the maximum number of BusLogic Host Adapters supported by this driver.
31*/
32
33#define BLOGIC_MAX_ADAPTERS 16
34
35
36/*
37 Define the maximum number of Target Devices supported by this driver.
38*/
39
40#define BLOGIC_MAXDEV 16
41
42
43/*
44 Define the maximum number of Scatter/Gather Segments used by this driver.
45 For optimal performance, it is important that this limit be at least as
46 large as the largest single request generated by the I/O Subsystem.
47*/
48
49#define BLOGIC_SG_LIMIT 128
50
51
52/*
53 Define the maximum, maximum automatic, minimum automatic, and default Queue
54 Depth to allow for Target Devices depending on whether or not they support
55 Tagged Queuing and whether or not ISA Bounce Buffers are required.
56*/
57
58#define BLOGIC_MAX_TAG_DEPTH 64
59#define BLOGIC_MAX_AUTO_TAG_DEPTH 28
60#define BLOGIC_MIN_AUTO_TAG_DEPTH 7
61#define BLOGIC_TAG_DEPTH_BB 3
62#define BLOGIC_UNTAG_DEPTH 3
63#define BLOGIC_UNTAG_DEPTH_BB 2
64
65
66/*
67 Define the default amount of time in seconds to wait between a Host Adapter
68 Hard Reset which initiates a SCSI Bus Reset and issuing any SCSI commands.
69 Some SCSI devices get confused if they receive SCSI commands too soon after
70 a SCSI Bus Reset.
71*/
72
73#define BLOGIC_BUS_SETTLE_TIME 2
74
75
76/*
77 Define the maximum number of Mailboxes that should be used for MultiMaster
78 Host Adapters. This number is chosen to be larger than the maximum Host
79 Adapter Queue Depth and small enough so that the Host Adapter structure
80 does not cross an allocation block size boundary.
81*/
82
83#define BLOGIC_MAX_MAILBOX 211
84
85
86/*
87 Define the number of CCBs that should be allocated as a group to optimize
88 Kernel memory allocation.
89*/
90
91#define BLOGIC_CCB_GRP_ALLOCSIZE 7
92
93
94/*
95 Define the Host Adapter Line and Message Buffer Sizes.
96*/
97
98#define BLOGIC_LINEBUF_SIZE 100
99#define BLOGIC_MSGBUF_SIZE 9700
100
101
102/*
103 Define the Driver Message Levels.
104*/
105
106enum blogic_msglevel {
107 BLOGIC_ANNOUNCE_LEVEL = 0,
108 BLOGIC_INFO_LEVEL = 1,
109 BLOGIC_NOTICE_LEVEL = 2,
110 BLOGIC_WARN_LEVEL = 3,
111 BLOGIC_ERR_LEVEL = 4
112};
113
114static char *blogic_msglevelmap[] = { KERN_NOTICE, KERN_NOTICE, KERN_NOTICE, KERN_WARNING, KERN_ERR };
115
116
117/*
118 Define Driver Message macros.
119*/
120
121#define blogic_announce(format, args...) \
122 blogic_msg(BLOGIC_ANNOUNCE_LEVEL, format, ##args)
123
124#define blogic_info(format, args...) \
125 blogic_msg(BLOGIC_INFO_LEVEL, format, ##args)
126
127#define blogic_notice(format, args...) \
128 blogic_msg(BLOGIC_NOTICE_LEVEL, format, ##args)
129
130#define blogic_warn(format, args...) \
131 blogic_msg(BLOGIC_WARN_LEVEL, format, ##args)
132
133#define blogic_err(format, args...) \
134 blogic_msg(BLOGIC_ERR_LEVEL, format, ##args)
135
136
137/*
138 Define the types of BusLogic Host Adapters that are supported and the number
139 of I/O Addresses required by each type.
140*/
141
142enum blogic_adapter_type {
143 BLOGIC_MULTIMASTER = 1,
144 BLOGIC_FLASHPOINT = 2
145} PACKED;
146
147#define BLOGIC_MULTIMASTER_ADDR_COUNT 4
148#define BLOGIC_FLASHPOINT_ADDR_COUNT 256
149
150static int blogic_adapter_addr_count[3] = { 0, BLOGIC_MULTIMASTER_ADDR_COUNT, BLOGIC_FLASHPOINT_ADDR_COUNT };
151
152
153/*
154 Define macros for testing the Host Adapter Type.
155*/
156
157#ifdef CONFIG_SCSI_FLASHPOINT
158
159#define blogic_multimaster_type(adapter) \
160 (adapter->adapter_type == BLOGIC_MULTIMASTER)
161
162#define blogic_flashpoint_type(adapter) \
163 (adapter->adapter_type == BLOGIC_FLASHPOINT)
164
165#else
166
167#define blogic_multimaster_type(adapter) (true)
168#define blogic_flashpoint_type(adapter) (false)
169
170#endif
171
172
173/*
174 Define the possible Host Adapter Bus Types.
175*/
176
177enum blogic_adapter_bus_type {
178 BLOGIC_UNKNOWN_BUS = 0,
179 BLOGIC_ISA_BUS = 1,
180 BLOGIC_EISA_BUS = 2,
181 BLOGIC_PCI_BUS = 3,
182 BLOGIC_VESA_BUS = 4,
183 BLOGIC_MCA_BUS = 5
184} PACKED;
185
186static char *blogic_adapter_busnames[] = { "Unknown", "ISA", "EISA", "PCI", "VESA", "MCA" };
187
188static enum blogic_adapter_bus_type blogic_adater_bus_types[] = {
189 BLOGIC_VESA_BUS, /* BT-4xx */
190 BLOGIC_ISA_BUS, /* BT-5xx */
191 BLOGIC_MCA_BUS, /* BT-6xx */
192 BLOGIC_EISA_BUS, /* BT-7xx */
193 BLOGIC_UNKNOWN_BUS, /* BT-8xx */
194 BLOGIC_PCI_BUS /* BT-9xx */
195};
196
197/*
198 Define the possible Host Adapter BIOS Disk Geometry Translations.
199*/
200
201enum blogic_bios_diskgeometry {
202 BLOGIC_BIOS_NODISK = 0,
203 BLOGIC_BIOS_DISK64x32 = 1,
204 BLOGIC_BIOS_DISK128x32 = 2,
205 BLOGIC_BIOS_DISK255x63 = 3
206} PACKED;
207
208
209/*
210 Define a 10^18 Statistics Byte Counter data type.
211*/
212
213struct blogic_byte_count {
214 unsigned int units;
215 unsigned int billions;
216};
217
218
219/*
220 Define the structure for I/O Address and Bus Probing Information.
221*/
222
223struct blogic_probeinfo {
224 enum blogic_adapter_type adapter_type;
225 enum blogic_adapter_bus_type adapter_bus_type;
226 unsigned long io_addr;
227 unsigned long pci_addr;
228 struct pci_dev *pci_device;
229 unsigned char bus;
230 unsigned char dev;
231 unsigned char irq_ch;
232};
233
234/*
235 Define the Probe Options.
236*/
237
238struct blogic_probe_options {
239 bool noprobe:1; /* Bit 0 */
240 bool noprobe_isa:1; /* Bit 1 */
241 bool noprobe_pci:1; /* Bit 2 */
242 bool nosort_pci:1; /* Bit 3 */
243 bool multimaster_first:1; /* Bit 4 */
244 bool flashpoint_first:1; /* Bit 5 */
245 bool limited_isa:1; /* Bit 6 */
246 bool probe330:1; /* Bit 7 */
247 bool probe334:1; /* Bit 8 */
248 bool probe230:1; /* Bit 9 */
249 bool probe234:1; /* Bit 10 */
250 bool probe130:1; /* Bit 11 */
251 bool probe134:1; /* Bit 12 */
252};
253
254/*
255 Define the Global Options.
256*/
257
258struct blogic_global_options {
259 bool trace_probe:1; /* Bit 0 */
260 bool trace_hw_reset:1; /* Bit 1 */
261 bool trace_config:1; /* Bit 2 */
262 bool trace_err:1; /* Bit 3 */
263};
264
265/*
266 Define the BusLogic SCSI Host Adapter I/O Register Offsets.
267*/
268
269#define BLOGIC_CNTRL_REG 0 /* WO register */
270#define BLOGIC_STATUS_REG 0 /* RO register */
271#define BLOGIC_CMD_PARM_REG 1 /* WO register */
272#define BLOGIC_DATAIN_REG 1 /* RO register */
273#define BLOGIC_INT_REG 2 /* RO register */
274#define BLOGIC_GEOMETRY_REG 3 /* RO register */
275
276/*
277 Define the structure of the write-only Control Register.
278*/
279
280union blogic_cntrl_reg {
281 unsigned char all;
282 struct {
283 unsigned char:4; /* Bits 0-3 */
284 bool bus_reset:1; /* Bit 4 */
285 bool int_reset:1; /* Bit 5 */
286 bool soft_reset:1; /* Bit 6 */
287 bool hard_reset:1; /* Bit 7 */
288 } cr;
289};
290
291/*
292 Define the structure of the read-only Status Register.
293*/
294
295union blogic_stat_reg {
296 unsigned char all;
297 struct {
298 bool cmd_invalid:1; /* Bit 0 */
299 bool rsvd:1; /* Bit 1 */
300 bool datain_ready:1; /* Bit 2 */
301 bool cmd_param_busy:1; /* Bit 3 */
302 bool adapter_ready:1; /* Bit 4 */
303 bool init_reqd:1; /* Bit 5 */
304 bool diag_failed:1; /* Bit 6 */
305 bool diag_active:1; /* Bit 7 */
306 } sr;
307};
308
309/*
310 Define the structure of the read-only Interrupt Register.
311*/
312
313union blogic_int_reg {
314 unsigned char all;
315 struct {
316 bool mailin_loaded:1; /* Bit 0 */
317 bool mailout_avail:1; /* Bit 1 */
318 bool cmd_complete:1; /* Bit 2 */
319 bool ext_busreset:1; /* Bit 3 */
320 unsigned char rsvd:3; /* Bits 4-6 */
321 bool int_valid:1; /* Bit 7 */
322 } ir;
323};
324
325/*
326 Define the structure of the read-only Geometry Register.
327*/
328
329union blogic_geo_reg {
330 unsigned char all;
331 struct {
332 enum blogic_bios_diskgeometry d0_geo:2; /* Bits 0-1 */
333 enum blogic_bios_diskgeometry d1_geo:2; /* Bits 2-3 */
334 unsigned char:3; /* Bits 4-6 */
335 bool ext_trans_enable:1; /* Bit 7 */
336 } gr;
337};
338
339/*
340 Define the BusLogic SCSI Host Adapter Command Register Operation Codes.
341*/
342
343enum blogic_opcode {
344 BLOGIC_TEST_CMP_COMPLETE = 0x00,
345 BLOGIC_INIT_MBOX = 0x01,
346 BLOGIC_EXEC_MBOX_CMD = 0x02,
347 BLOGIC_EXEC_BIOS_CMD = 0x03,
348 BLOGIC_GET_BOARD_ID = 0x04,
349 BLOGIC_ENABLE_OUTBOX_AVAIL_INT = 0x05,
350 BLOGIC_SET_SELECT_TIMEOUT = 0x06,
351 BLOGIC_SET_PREEMPT_TIME = 0x07,
352 BLOGIC_SET_TIMEOFF_BUS = 0x08,
353 BLOGIC_SET_TXRATE = 0x09,
354 BLOGIC_INQ_DEV0TO7 = 0x0A,
355 BLOGIC_INQ_CONFIG = 0x0B,
356 BLOGIC_TGT_MODE = 0x0C,
357 BLOGIC_INQ_SETUPINFO = 0x0D,
358 BLOGIC_WRITE_LOCALRAM = 0x1A,
359 BLOGIC_READ_LOCALRAM = 0x1B,
360 BLOGIC_WRITE_BUSMASTER_FIFO = 0x1C,
361 BLOGIC_READ_BUSMASTER_FIFO = 0x1D,
362 BLOGIC_ECHO_CMDDATA = 0x1F,
363 BLOGIC_ADAPTER_DIAG = 0x20,
364 BLOGIC_SET_OPTIONS = 0x21,
365 BLOGIC_INQ_DEV8TO15 = 0x23,
366 BLOGIC_INQ_DEV = 0x24,
367 BLOGIC_DISABLE_INT = 0x25,
368 BLOGIC_INIT_EXT_MBOX = 0x81,
369 BLOGIC_EXEC_SCS_CMD = 0x83,
370 BLOGIC_INQ_FWVER_D3 = 0x84,
371 BLOGIC_INQ_FWVER_LETTER = 0x85,
372 BLOGIC_INQ_PCI_INFO = 0x86,
373 BLOGIC_INQ_MODELNO = 0x8B,
374 BLOGIC_INQ_SYNC_PERIOD = 0x8C,
375 BLOGIC_INQ_EXTSETUP = 0x8D,
376 BLOGIC_STRICT_RR = 0x8F,
377 BLOGIC_STORE_LOCALRAM = 0x90,
378 BLOGIC_FETCH_LOCALRAM = 0x91,
379 BLOGIC_STORE_TO_EEPROM = 0x92,
380 BLOGIC_LOAD_AUTOSCSICODE = 0x94,
381 BLOGIC_MOD_IOADDR = 0x95,
382 BLOGIC_SETCCB_FMT = 0x96,
383 BLOGIC_WRITE_INQBUF = 0x9A,
384 BLOGIC_READ_INQBUF = 0x9B,
385 BLOGIC_FLASH_LOAD = 0xA7,
386 BLOGIC_READ_SCAMDATA = 0xA8,
387 BLOGIC_WRITE_SCAMDATA = 0xA9
388};
389
390/*
391 Define the Inquire Board ID reply structure.
392*/
393
394struct blogic_board_id {
395 unsigned char type; /* Byte 0 */
396 unsigned char custom_features; /* Byte 1 */
397 unsigned char fw_ver_digit1; /* Byte 2 */
398 unsigned char fw_ver_digit2; /* Byte 3 */
399};
400
401/*
402 Define the Inquire Configuration reply structure.
403*/
404
405struct blogic_config {
406 unsigned char:5; /* Byte 0 Bits 0-4 */
407 bool dma_ch5:1; /* Byte 0 Bit 5 */
408 bool dma_ch6:1; /* Byte 0 Bit 6 */
409 bool dma_ch7:1; /* Byte 0 Bit 7 */
410 bool irq_ch9:1; /* Byte 1 Bit 0 */
411 bool irq_ch10:1; /* Byte 1 Bit 1 */
412 bool irq_ch11:1; /* Byte 1 Bit 2 */
413 bool irq_ch12:1; /* Byte 1 Bit 3 */
414 unsigned char:1; /* Byte 1 Bit 4 */
415 bool irq_ch14:1; /* Byte 1 Bit 5 */
416 bool irq_ch15:1; /* Byte 1 Bit 6 */
417 unsigned char:1; /* Byte 1 Bit 7 */
418 unsigned char id:4; /* Byte 2 Bits 0-3 */
419 unsigned char:4; /* Byte 2 Bits 4-7 */
420};
421
422/*
423 Define the Inquire Setup Information reply structure.
424*/
425
426struct blogic_syncval {
427 unsigned char offset:4; /* Bits 0-3 */
428 unsigned char tx_period:3; /* Bits 4-6 */
429 bool sync:1; /* Bit 7 */
430};
431
432struct blogic_setup_info {
433 bool sync:1; /* Byte 0 Bit 0 */
434 bool parity:1; /* Byte 0 Bit 1 */
435 unsigned char:6; /* Byte 0 Bits 2-7 */
436 unsigned char tx_rate; /* Byte 1 */
437 unsigned char preempt_time; /* Byte 2 */
438 unsigned char timeoff_bus; /* Byte 3 */
439 unsigned char mbox_count; /* Byte 4 */
440 unsigned char mbox_addr[3]; /* Bytes 5-7 */
441 struct blogic_syncval sync0to7[8]; /* Bytes 8-15 */
442 unsigned char disconnect_ok0to7; /* Byte 16 */
443 unsigned char sig; /* Byte 17 */
444 unsigned char char_d; /* Byte 18 */
445 unsigned char bus_type; /* Byte 19 */
446 unsigned char wide_tx_ok0to7; /* Byte 20 */
447 unsigned char wide_tx_active0to7; /* Byte 21 */
448 struct blogic_syncval sync8to15[8]; /* Bytes 22-29 */
449 unsigned char disconnect_ok8to15; /* Byte 30 */
450 unsigned char:8; /* Byte 31 */
451 unsigned char wide_tx_ok8to15; /* Byte 32 */
452 unsigned char wide_tx_active8to15; /* Byte 33 */
453};
454
455/*
456 Define the Initialize Extended Mailbox request structure.
457*/
458
459struct blogic_extmbox_req {
460 unsigned char mbox_count; /* Byte 0 */
461 u32 base_mbox_addr; /* Bytes 1-4 */
462} PACKED;
463
464
465/*
466 Define the Inquire PCI Host Adapter Information reply type. The ISA
467 Compatible I/O Port values are defined here and are also used with
468 the Modify I/O Address command.
469*/
470
471enum blogic_isa_ioport {
472 BLOGIC_IO_330 = 0,
473 BLOGIC_IO_334 = 1,
474 BLOGIC_IO_230 = 2,
475 BLOGIC_IO_234 = 3,
476 BLOGIC_IO_130 = 4,
477 BLOGIC_IO_134 = 5,
478 BLOGIC_IO_DISABLE = 6,
479 BLOGIC_IO_DISABLE2 = 7
480} PACKED;
481
482struct blogic_adapter_info {
483 enum blogic_isa_ioport isa_port; /* Byte 0 */
484 unsigned char irq_ch; /* Byte 1 */
485 bool low_term:1; /* Byte 2 Bit 0 */
486 bool high_term:1; /* Byte 2 Bit 1 */
487 unsigned char:2; /* Byte 2 Bits 2-3 */
488 bool JP1:1; /* Byte 2 Bit 4 */
489 bool JP2:1; /* Byte 2 Bit 5 */
490 bool JP3:1; /* Byte 2 Bit 6 */
491 bool genericinfo_valid:1; /* Byte 2 Bit 7 */
492 unsigned char:8; /* Byte 3 */
493};
494
495/*
496 Define the Inquire Extended Setup Information reply structure.
497*/
498
499struct blogic_ext_setup {
500 unsigned char bus_type; /* Byte 0 */
501 unsigned char bios_addr; /* Byte 1 */
502 unsigned short sg_limit; /* Bytes 2-3 */
503 unsigned char mbox_count; /* Byte 4 */
504 u32 base_mbox_addr; /* Bytes 5-8 */
505 struct {
506 unsigned char:2; /* Byte 9 Bits 0-1 */
507 bool fast_on_eisa:1; /* Byte 9 Bit 2 */
508 unsigned char:3; /* Byte 9 Bits 3-5 */
509 bool level_int:1; /* Byte 9 Bit 6 */
510 unsigned char:1; /* Byte 9 Bit 7 */
511 } misc;
512 unsigned char fw_rev[3]; /* Bytes 10-12 */
513 bool wide:1; /* Byte 13 Bit 0 */
514 bool differential:1; /* Byte 13 Bit 1 */
515 bool scam:1; /* Byte 13 Bit 2 */
516 bool ultra:1; /* Byte 13 Bit 3 */
517 bool smart_term:1; /* Byte 13 Bit 4 */
518 unsigned char:3; /* Byte 13 Bits 5-7 */
519} PACKED;
520
521/*
522 Define the Enable Strict Round Robin Mode request type.
523*/
524
525enum blogic_rr_req {
526 BLOGIC_AGGRESSIVE_RR = 0,
527 BLOGIC_STRICT_RR_MODE = 1
528} PACKED;
529
530
531/*
532 Define the Fetch Host Adapter Local RAM request type.
533*/
534
535#define BLOGIC_BIOS_BASE 0
536#define BLOGIC_AUTOSCSI_BASE 64
537
538struct blogic_fetch_localram {
539 unsigned char offset; /* Byte 0 */
540 unsigned char count; /* Byte 1 */
541};
542
543/*
544 Define the Host Adapter Local RAM AutoSCSI structure.
545*/
546
547struct blogic_autoscsi {
548 unsigned char factory_sig[2]; /* Bytes 0-1 */
549 unsigned char info_bytes; /* Byte 2 */
550 unsigned char adapter_type[6]; /* Bytes 3-8 */
551 unsigned char:8; /* Byte 9 */
552 bool floppy:1; /* Byte 10 Bit 0 */
553 bool floppy_sec:1; /* Byte 10 Bit 1 */
554 bool level_int:1; /* Byte 10 Bit 2 */
555 unsigned char:2; /* Byte 10 Bits 3-4 */
556 unsigned char systemram_bios:3; /* Byte 10 Bits 5-7 */
557 unsigned char dma_ch:7; /* Byte 11 Bits 0-6 */
558 bool dma_autoconf:1; /* Byte 11 Bit 7 */
559 unsigned char irq_ch:7; /* Byte 12 Bits 0-6 */
560 bool irq_autoconf:1; /* Byte 12 Bit 7 */
561 unsigned char dma_tx_rate; /* Byte 13 */
562 unsigned char scsi_id; /* Byte 14 */
563 bool low_term:1; /* Byte 15 Bit 0 */
564 bool parity:1; /* Byte 15 Bit 1 */
565 bool high_term:1; /* Byte 15 Bit 2 */
566 bool noisy_cable:1; /* Byte 15 Bit 3 */
567 bool fast_sync_neg:1; /* Byte 15 Bit 4 */
568 bool reset_enabled:1; /* Byte 15 Bit 5 */
569 bool:1; /* Byte 15 Bit 6 */
570 bool active_negation:1; /* Byte 15 Bit 7 */
571 unsigned char bus_on_delay; /* Byte 16 */
572 unsigned char bus_off_delay; /* Byte 17 */
573 bool bios_enabled:1; /* Byte 18 Bit 0 */
574 bool int19_redir_enabled:1; /* Byte 18 Bit 1 */
575 bool ext_trans_enable:1; /* Byte 18 Bit 2 */
576 bool removable_as_fixed:1; /* Byte 18 Bit 3 */
577 bool:1; /* Byte 18 Bit 4 */
578 bool morethan2_drives:1; /* Byte 18 Bit 5 */
579 bool bios_int:1; /* Byte 18 Bit 6 */
580 bool floptical:1; /* Byte 19 Bit 7 */
581 unsigned short dev_enabled; /* Bytes 19-20 */
582 unsigned short wide_ok; /* Bytes 21-22 */
583 unsigned short fast_ok; /* Bytes 23-24 */
584 unsigned short sync_ok; /* Bytes 25-26 */
585 unsigned short discon_ok; /* Bytes 27-28 */
586 unsigned short send_start_unit; /* Bytes 29-30 */
587 unsigned short ignore_bios_scan; /* Bytes 31-32 */
588 unsigned char pci_int_pin:2; /* Byte 33 Bits 0-1 */
589 unsigned char adapter_ioport:2; /* Byte 33 Bits 2-3 */
590 bool strict_rr_enabled:1; /* Byte 33 Bit 4 */
591 bool vesabus_33mhzplus:1; /* Byte 33 Bit 5 */
592 bool vesa_burst_write:1; /* Byte 33 Bit 6 */
593 bool vesa_burst_read:1; /* Byte 33 Bit 7 */
594 unsigned short ultra_ok; /* Bytes 34-35 */
595 unsigned int:32; /* Bytes 36-39 */
596 unsigned char:8; /* Byte 40 */
597 unsigned char autoscsi_maxlun; /* Byte 41 */
598 bool:1; /* Byte 42 Bit 0 */
599 bool scam_dominant:1; /* Byte 42 Bit 1 */
600 bool scam_enabled:1; /* Byte 42 Bit 2 */
601 bool scam_lev2:1; /* Byte 42 Bit 3 */
602 unsigned char:4; /* Byte 42 Bits 4-7 */
603 bool int13_exten:1; /* Byte 43 Bit 0 */
604 bool:1; /* Byte 43 Bit 1 */
605 bool cd_boot:1; /* Byte 43 Bit 2 */
606 unsigned char:5; /* Byte 43 Bits 3-7 */
607 unsigned char boot_id:4; /* Byte 44 Bits 0-3 */
608 unsigned char boot_ch:4; /* Byte 44 Bits 4-7 */
609 unsigned char force_scan_order:1; /* Byte 45 Bit 0 */
610 unsigned char:7; /* Byte 45 Bits 1-7 */
611 unsigned short nontagged_to_alt_ok; /* Bytes 46-47 */
612 unsigned short reneg_sync_on_check; /* Bytes 48-49 */
613 unsigned char rsvd[10]; /* Bytes 50-59 */
614 unsigned char manuf_diag[2]; /* Bytes 60-61 */
615 unsigned short cksum; /* Bytes 62-63 */
616} PACKED;
617
618/*
619 Define the Host Adapter Local RAM Auto SCSI Byte 45 structure.
620*/
621
622struct blogic_autoscsi_byte45 {
623 unsigned char force_scan_order:1; /* Bit 0 */
624 unsigned char:7; /* Bits 1-7 */
625};
626
627/*
628 Define the Host Adapter Local RAM BIOS Drive Map Byte structure.
629*/
630
631#define BLOGIC_BIOS_DRVMAP 17
632
633struct blogic_bios_drvmap {
634 unsigned char tgt_idbit3:1; /* Bit 0 */
635 unsigned char:2; /* Bits 1-2 */
636 enum blogic_bios_diskgeometry diskgeom:2; /* Bits 3-4 */
637 unsigned char tgt_id:3; /* Bits 5-7 */
638};
639
640/*
641 Define the Set CCB Format request type. Extended LUN Format CCBs are
642 necessary to support more than 8 Logical Units per Target Device.
643*/
644
645enum blogic_setccb_fmt {
646 BLOGIC_LEGACY_LUN_CCB = 0,
647 BLOGIC_EXT_LUN_CCB = 1
648} PACKED;
649
650/*
651 Define the Outgoing Mailbox Action Codes.
652*/
653
654enum blogic_action {
655 BLOGIC_OUTBOX_FREE = 0x00,
656 BLOGIC_MBOX_START = 0x01,
657 BLOGIC_MBOX_ABORT = 0x02
658} PACKED;
659
660
661/*
662 Define the Incoming Mailbox Completion Codes. The MultiMaster Firmware
663 only uses codes 0 - 4. The FlashPoint SCCB Manager has no mailboxes, so
664 completion codes are stored in the CCB; it only uses codes 1, 2, 4, and 5.
665*/
666
667enum blogic_cmplt_code {
668 BLOGIC_INBOX_FREE = 0x00,
669 BLOGIC_CMD_COMPLETE_GOOD = 0x01,
670 BLOGIC_CMD_ABORT_BY_HOST = 0x02,
671 BLOGIC_CMD_NOTFOUND = 0x03,
672 BLOGIC_CMD_COMPLETE_ERROR = 0x04,
673 BLOGIC_INVALID_CCB = 0x05
674} PACKED;
675
676/*
677 Define the Command Control Block (CCB) Opcodes.
678*/
679
680enum blogic_ccb_opcode {
681 BLOGIC_INITIATOR_CCB = 0x00,
682 BLOGIC_TGT_CCB = 0x01,
683 BLOGIC_INITIATOR_CCB_SG = 0x02,
684 BLOGIC_INITIATOR_CCBB_RESIDUAL = 0x03,
685 BLOGIC_INITIATOR_CCB_SG_RESIDUAL = 0x04,
686 BLOGIC_BDR = 0x81
687} PACKED;
688
689
690/*
691 Define the CCB Data Direction Codes.
692*/
693
694enum blogic_datadir {
695 BLOGIC_UNCHECKED_TX = 0,
696 BLOGIC_DATAIN_CHECKED = 1,
697 BLOGIC_DATAOUT_CHECKED = 2,
698 BLOGIC_NOTX = 3
699};
700
701
702/*
703 Define the Host Adapter Status Codes. The MultiMaster Firmware does not
704 return status code 0x0C; it uses 0x12 for both overruns and underruns.
705*/
706
707enum blogic_adapter_status {
708 BLOGIC_CMD_CMPLT_NORMAL = 0x00,
709 BLOGIC_LINK_CMD_CMPLT = 0x0A,
710 BLOGIC_LINK_CMD_CMPLT_FLAG = 0x0B,
711 BLOGIC_DATA_UNDERRUN = 0x0C,
712 BLOGIC_SELECT_TIMEOUT = 0x11,
713 BLOGIC_DATA_OVERRUN = 0x12,
714 BLOGIC_NOEXPECT_BUSFREE = 0x13,
715 BLOGIC_INVALID_BUSPHASE = 0x14,
716 BLOGIC_INVALID_OUTBOX_CODE = 0x15,
717 BLOGIC_INVALID_CMD_CODE = 0x16,
718 BLOGIC_LINKCCB_BADLUN = 0x17,
719 BLOGIC_BAD_CMD_PARAM = 0x1A,
720 BLOGIC_AUTOREQSENSE_FAIL = 0x1B,
721 BLOGIC_TAGQUEUE_REJECT = 0x1C,
722 BLOGIC_BAD_MSG_RCVD = 0x1D,
723 BLOGIC_HW_FAIL = 0x20,
724 BLOGIC_NORESPONSE_TO_ATN = 0x21,
725 BLOGIC_HW_RESET = 0x22,
726 BLOGIC_RST_FROM_OTHERDEV = 0x23,
727 BLOGIC_BAD_RECONNECT = 0x24,
728 BLOGIC_HW_BDR = 0x25,
729 BLOGIC_ABRT_QUEUE = 0x26,
730 BLOGIC_ADAPTER_SW_ERROR = 0x27,
731 BLOGIC_HW_TIMEOUT = 0x30,
732 BLOGIC_PARITY_ERR = 0x34
733} PACKED;
734
735
736/*
737 Define the SCSI Target Device Status Codes.
738*/
739
740enum blogic_tgt_status {
741 BLOGIC_OP_GOOD = 0x00,
742 BLOGIC_CHECKCONDITION = 0x02,
743 BLOGIC_DEVBUSY = 0x08
744} PACKED;
745
746/*
747 Define the Queue Tag Codes.
748*/
749
750enum blogic_queuetag {
751 BLOGIC_SIMPLETAG = 0,
752 BLOGIC_HEADTAG = 1,
753 BLOGIC_ORDEREDTAG = 2,
754 BLOGIC_RSVDTAG = 3
755};
756
757/*
758 Define the SCSI Command Descriptor Block (CDB).
759*/
760
761#define BLOGIC_CDB_MAXLEN 12
762
763
764/*
765 Define the Scatter/Gather Segment structure required by the MultiMaster
766 Firmware Interface and the FlashPoint SCCB Manager.
767*/
768
769struct blogic_sg_seg {
770 u32 segbytes; /* Bytes 0-3 */
771 u32 segdata; /* Bytes 4-7 */
772};
773
774/*
775 Define the Driver CCB Status Codes.
776*/
777
778enum blogic_ccb_status {
779 BLOGIC_CCB_FREE = 0,
780 BLOGIC_CCB_ACTIVE = 1,
781 BLOGIC_CCB_COMPLETE = 2,
782 BLOGIC_CCB_RESET = 3
783} PACKED;
784
785
786/*
787 Define the 32 Bit Mode Command Control Block (CCB) structure. The first 40
788 bytes are defined by and common to both the MultiMaster Firmware and the
789 FlashPoint SCCB Manager. The next 60 bytes are defined by the FlashPoint
790 SCCB Manager. The remaining components are defined by the Linux BusLogic
791 Driver. Extended LUN Format CCBs differ from Legacy LUN Format 32 Bit Mode
792 CCBs only in having the TagEnable and QueueTag fields moved from byte 17 to
793 byte 1, and the Logical Unit field in byte 17 expanded to 6 bits. In theory,
794 Extended LUN Format CCBs can support up to 64 Logical Units, but in practice
795 many devices will respond improperly to Logical Units between 32 and 63, and
796 the SCSI-2 specification defines Bit 5 as LUNTAR. Extended LUN Format CCBs
797 are used by recent versions of the MultiMaster Firmware, as well as by the
798 FlashPoint SCCB Manager; the FlashPoint SCCB Manager only supports 32 Logical
799 Units. Since 64 Logical Units are unlikely to be needed in practice, and
800 since they are problematic for the above reasons, and since limiting them to
801 5 bits simplifies the CCB structure definition, this driver only supports
802 32 Logical Units per Target Device.
803*/
804
805struct blogic_ccb {
806 /*
807 MultiMaster Firmware and FlashPoint SCCB Manager Common Portion.
808 */
809 enum blogic_ccb_opcode opcode; /* Byte 0 */
810 unsigned char:3; /* Byte 1 Bits 0-2 */
811 enum blogic_datadir datadir:2; /* Byte 1 Bits 3-4 */
812 bool tag_enable:1; /* Byte 1 Bit 5 */
813 enum blogic_queuetag queuetag:2; /* Byte 1 Bits 6-7 */
814 unsigned char cdblen; /* Byte 2 */
815 unsigned char sense_datalen; /* Byte 3 */
816 u32 datalen; /* Bytes 4-7 */
817 void *data; /* Bytes 8-11 */
818 unsigned char:8; /* Byte 12 */
819 unsigned char:8; /* Byte 13 */
820 enum blogic_adapter_status adapter_status; /* Byte 14 */
821 enum blogic_tgt_status tgt_status; /* Byte 15 */
822 unsigned char tgt_id; /* Byte 16 */
823 unsigned char lun:5; /* Byte 17 Bits 0-4 */
824 bool legacytag_enable:1; /* Byte 17 Bit 5 */
825 enum blogic_queuetag legacy_tag:2; /* Byte 17 Bits 6-7 */
826 unsigned char cdb[BLOGIC_CDB_MAXLEN]; /* Bytes 18-29 */
827 unsigned char:8; /* Byte 30 */
828 unsigned char:8; /* Byte 31 */
829 u32 rsvd_int; /* Bytes 32-35 */
830 u32 sensedata; /* Bytes 36-39 */
831 /*
832 FlashPoint SCCB Manager Defined Portion.
833 */
834 void (*callback) (struct blogic_ccb *); /* Bytes 40-43 */
835 u32 base_addr; /* Bytes 44-47 */
836 enum blogic_cmplt_code comp_code; /* Byte 48 */
837#ifdef CONFIG_SCSI_FLASHPOINT
838 unsigned char:8; /* Byte 49 */
839 u16 os_flags; /* Bytes 50-51 */
840 unsigned char private[24]; /* Bytes 52-99 */
841 void *rsvd1;
842 void *rsvd2;
843 unsigned char private2[16];
844#endif
845 /*
846 BusLogic Linux Driver Defined Portion.
847 */
848 dma_addr_t allocgrp_head;
849 unsigned int allocgrp_size;
850 u32 dma_handle;
851 enum blogic_ccb_status status;
852 unsigned long serial;
853 struct scsi_cmnd *command;
854 struct blogic_adapter *adapter;
855 struct blogic_ccb *next;
856 struct blogic_ccb *next_all;
857 struct blogic_sg_seg sglist[BLOGIC_SG_LIMIT];
858};
859
860/*
861 Define the 32 Bit Mode Outgoing Mailbox structure.
862*/
863
864struct blogic_outbox {
865 u32 ccb; /* Bytes 0-3 */
866 u32:24; /* Bytes 4-6 */
867 enum blogic_action action; /* Byte 7 */
868};
869
870/*
871 Define the 32 Bit Mode Incoming Mailbox structure.
872*/
873
874struct blogic_inbox {
875 u32 ccb; /* Bytes 0-3 */
876 enum blogic_adapter_status adapter_status; /* Byte 4 */
877 enum blogic_tgt_status tgt_status; /* Byte 5 */
878 unsigned char:8; /* Byte 6 */
879 enum blogic_cmplt_code comp_code; /* Byte 7 */
880};
881
882
883/*
884 Define the BusLogic Driver Options structure.
885*/
886
887struct blogic_drvr_options {
888 unsigned short tagq_ok;
889 unsigned short tagq_ok_mask;
890 unsigned short bus_settle_time;
891 unsigned short stop_tgt_inquiry;
892 unsigned char common_qdepth;
893 unsigned char qdepth[BLOGIC_MAXDEV];
894};
895
896/*
897 Define the Host Adapter Target Flags structure.
898*/
899
900struct blogic_tgt_flags {
901 bool tgt_exists:1;
902 bool tagq_ok:1;
903 bool wide_ok:1;
904 bool tagq_active:1;
905 bool wide_active:1;
906 bool cmd_good:1;
907 bool tgt_info_in:1;
908};
909
910/*
911 Define the Host Adapter Target Statistics structure.
912*/
913
914#define BLOGIC_SZ_BUCKETS 10
915
916struct blogic_tgt_stats {
917 unsigned int cmds_tried;
918 unsigned int cmds_complete;
919 unsigned int read_cmds;
920 unsigned int write_cmds;
921 struct blogic_byte_count bytesread;
922 struct blogic_byte_count byteswritten;
923 unsigned int read_sz_buckets[BLOGIC_SZ_BUCKETS];
924 unsigned int write_sz_buckets[BLOGIC_SZ_BUCKETS];
925 unsigned short aborts_request;
926 unsigned short aborts_tried;
927 unsigned short aborts_done;
928 unsigned short bdr_request;
929 unsigned short bdr_tried;
930 unsigned short bdr_done;
931 unsigned short adapter_reset_req;
932 unsigned short adapter_reset_attempt;
933 unsigned short adapter_reset_done;
934};
935
936/*
937 Define the FlashPoint Card Handle data type.
938*/
939
940#define FPOINT_BADCARD_HANDLE 0xFFFFFFFFL
941
942
943/*
944 Define the FlashPoint Information structure. This structure is defined
945 by the FlashPoint SCCB Manager.
946*/
947
948struct fpoint_info {
949 u32 base_addr; /* Bytes 0-3 */
950 bool present; /* Byte 4 */
951 unsigned char irq_ch; /* Byte 5 */
952 unsigned char scsi_id; /* Byte 6 */
953 unsigned char scsi_lun; /* Byte 7 */
954 u16 fw_rev; /* Bytes 8-9 */
955 u16 sync_ok; /* Bytes 10-11 */
956 u16 fast_ok; /* Bytes 12-13 */
957 u16 ultra_ok; /* Bytes 14-15 */
958 u16 discon_ok; /* Bytes 16-17 */
959 u16 wide_ok; /* Bytes 18-19 */
960 bool parity:1; /* Byte 20 Bit 0 */
961 bool wide:1; /* Byte 20 Bit 1 */
962 bool softreset:1; /* Byte 20 Bit 2 */
963 bool ext_trans_enable:1; /* Byte 20 Bit 3 */
964 bool low_term:1; /* Byte 20 Bit 4 */
965 bool high_term:1; /* Byte 20 Bit 5 */
966 bool report_underrun:1; /* Byte 20 Bit 6 */
967 bool scam_enabled:1; /* Byte 20 Bit 7 */
968 bool scam_lev2:1; /* Byte 21 Bit 0 */
969 unsigned char:7; /* Byte 21 Bits 1-7 */
970 unsigned char family; /* Byte 22 */
971 unsigned char bus_type; /* Byte 23 */
972 unsigned char model[3]; /* Bytes 24-26 */
973 unsigned char relative_cardnum; /* Byte 27 */
974 unsigned char rsvd[4]; /* Bytes 28-31 */
975 u32 os_rsvd; /* Bytes 32-35 */
976 unsigned char translation_info[4]; /* Bytes 36-39 */
977 u32 rsvd2[5]; /* Bytes 40-59 */
978 u32 sec_range; /* Bytes 60-63 */
979};
980
981/*
982 Define the BusLogic Driver Host Adapter structure.
983*/
984
985struct blogic_adapter {
986 struct Scsi_Host *scsi_host;
987 struct pci_dev *pci_device;
988 enum blogic_adapter_type adapter_type;
989 enum blogic_adapter_bus_type adapter_bus_type;
990 unsigned long io_addr;
991 unsigned long pci_addr;
992 unsigned short addr_count;
993 unsigned char host_no;
994 unsigned char model[9];
995 unsigned char fw_ver[6];
996 unsigned char full_model[18];
997 unsigned char bus;
998 unsigned char dev;
999 unsigned char irq_ch;
1000 unsigned char dma_ch;
1001 unsigned char scsi_id;
1002 bool irq_acquired:1;
1003 bool dma_chan_acquired:1;
1004 bool ext_trans_enable:1;
1005 bool parity:1;
1006 bool reset_enabled:1;
1007 bool level_int:1;
1008 bool wide:1;
1009 bool differential:1;
1010 bool scam:1;
1011 bool ultra:1;
1012 bool ext_lun:1;
1013 bool terminfo_valid:1;
1014 bool low_term:1;
1015 bool high_term:1;
1016 bool need_bouncebuf:1;
1017 bool strict_rr:1;
1018 bool scam_enabled:1;
1019 bool scam_lev2:1;
1020 bool adapter_initd:1;
1021 bool adapter_extreset:1;
1022 bool adapter_intern_err:1;
1023 bool processing_ccbs;
1024 volatile bool adapter_cmd_complete;
1025 unsigned short adapter_sglimit;
1026 unsigned short drvr_sglimit;
1027 unsigned short maxdev;
1028 unsigned short maxlun;
1029 unsigned short mbox_count;
1030 unsigned short initccbs;
1031 unsigned short inc_ccbs;
1032 unsigned short alloc_ccbs;
1033 unsigned short drvr_qdepth;
1034 unsigned short adapter_qdepth;
1035 unsigned short untag_qdepth;
1036 unsigned short common_qdepth;
1037 unsigned short bus_settle_time;
1038 unsigned short sync_ok;
1039 unsigned short fast_ok;
1040 unsigned short ultra_ok;
1041 unsigned short wide_ok;
1042 unsigned short discon_ok;
1043 unsigned short tagq_ok;
1044 unsigned short ext_resets;
1045 unsigned short adapter_intern_errors;
1046 unsigned short tgt_count;
1047 unsigned short msgbuflen;
1048 u32 bios_addr;
1049 struct blogic_drvr_options *drvr_opts;
1050 struct fpoint_info fpinfo;
1051 void *cardhandle;
1052 struct list_head host_list;
1053 struct blogic_ccb *all_ccbs;
1054 struct blogic_ccb *free_ccbs;
1055 struct blogic_ccb *firstccb;
1056 struct blogic_ccb *lastccb;
1057 struct blogic_ccb *bdr_pend[BLOGIC_MAXDEV];
1058 struct blogic_tgt_flags tgt_flags[BLOGIC_MAXDEV];
1059 unsigned char qdepth[BLOGIC_MAXDEV];
1060 unsigned char sync_period[BLOGIC_MAXDEV];
1061 unsigned char sync_offset[BLOGIC_MAXDEV];
1062 unsigned char active_cmds[BLOGIC_MAXDEV];
1063 unsigned int cmds_since_rst[BLOGIC_MAXDEV];
1064 unsigned long last_seqpoint[BLOGIC_MAXDEV];
1065 unsigned long last_resettried[BLOGIC_MAXDEV];
1066 unsigned long last_resetdone[BLOGIC_MAXDEV];
1067 struct blogic_outbox *first_outbox;
1068 struct blogic_outbox *last_outbox;
1069 struct blogic_outbox *next_outbox;
1070 struct blogic_inbox *first_inbox;
1071 struct blogic_inbox *last_inbox;
1072 struct blogic_inbox *next_inbox;
1073 struct blogic_tgt_stats tgt_stats[BLOGIC_MAXDEV];
1074 unsigned char *mbox_space;
1075 dma_addr_t mbox_space_handle;
1076 unsigned int mbox_sz;
1077 unsigned long ccb_offset;
1078 char msgbuf[BLOGIC_MSGBUF_SIZE];
1079};
1080
1081/*
1082 Define a structure for the BIOS Disk Parameters.
1083*/
1084
1085struct bios_diskparam {
1086 int heads;
1087 int sectors;
1088 int cylinders;
1089};
1090
1091/*
1092 Define a structure for the SCSI Inquiry command results.
1093*/
1094
1095struct scsi_inquiry {
1096 unsigned char devtype:5; /* Byte 0 Bits 0-4 */
1097 unsigned char dev_qual:3; /* Byte 0 Bits 5-7 */
1098 unsigned char dev_modifier:7; /* Byte 1 Bits 0-6 */
1099 bool rmb:1; /* Byte 1 Bit 7 */
1100 unsigned char ansi_ver:3; /* Byte 2 Bits 0-2 */
1101 unsigned char ecma_ver:3; /* Byte 2 Bits 3-5 */
1102 unsigned char iso_ver:2; /* Byte 2 Bits 6-7 */
1103 unsigned char resp_fmt:4; /* Byte 3 Bits 0-3 */
1104 unsigned char:2; /* Byte 3 Bits 4-5 */
1105 bool TrmIOP:1; /* Byte 3 Bit 6 */
1106 bool AENC:1; /* Byte 3 Bit 7 */
1107 unsigned char addl_len; /* Byte 4 */
1108 unsigned char:8; /* Byte 5 */
1109 unsigned char:8; /* Byte 6 */
1110 bool SftRe:1; /* Byte 7 Bit 0 */
1111 bool CmdQue:1; /* Byte 7 Bit 1 */
1112 bool:1; /* Byte 7 Bit 2 */
1113 bool linked:1; /* Byte 7 Bit 3 */
1114 bool sync:1; /* Byte 7 Bit 4 */
1115 bool WBus16:1; /* Byte 7 Bit 5 */
1116 bool WBus32:1; /* Byte 7 Bit 6 */
1117 bool RelAdr:1; /* Byte 7 Bit 7 */
1118 unsigned char vendor[8]; /* Bytes 8-15 */
1119 unsigned char product[16]; /* Bytes 16-31 */
1120 unsigned char product_rev[4]; /* Bytes 32-35 */
1121};
1122
1123
1124/*
1125 Define functions to provide an abstraction for reading and writing the
1126 Host Adapter I/O Registers.
1127*/
1128
1129static inline void blogic_busreset(struct blogic_adapter *adapter)
1130{
1131 union blogic_cntrl_reg cr;
1132 cr.all = 0;
1133 cr.cr.bus_reset = true;
1134 outb(cr.all, adapter->io_addr + BLOGIC_CNTRL_REG);
1135}
1136
1137static inline void blogic_intreset(struct blogic_adapter *adapter)
1138{
1139 union blogic_cntrl_reg cr;
1140 cr.all = 0;
1141 cr.cr.int_reset = true;
1142 outb(cr.all, adapter->io_addr + BLOGIC_CNTRL_REG);
1143}
1144
1145static inline void blogic_softreset(struct blogic_adapter *adapter)
1146{
1147 union blogic_cntrl_reg cr;
1148 cr.all = 0;
1149 cr.cr.soft_reset = true;
1150 outb(cr.all, adapter->io_addr + BLOGIC_CNTRL_REG);
1151}
1152
1153static inline void blogic_hardreset(struct blogic_adapter *adapter)
1154{
1155 union blogic_cntrl_reg cr;
1156 cr.all = 0;
1157 cr.cr.hard_reset = true;
1158 outb(cr.all, adapter->io_addr + BLOGIC_CNTRL_REG);
1159}
1160
1161static inline unsigned char blogic_rdstatus(struct blogic_adapter *adapter)
1162{
1163 return inb(adapter->io_addr + BLOGIC_STATUS_REG);
1164}
1165
1166static inline void blogic_setcmdparam(struct blogic_adapter *adapter,
1167 unsigned char value)
1168{
1169 outb(value, adapter->io_addr + BLOGIC_CMD_PARM_REG);
1170}
1171
1172static inline unsigned char blogic_rddatain(struct blogic_adapter *adapter)
1173{
1174 return inb(adapter->io_addr + BLOGIC_DATAIN_REG);
1175}
1176
1177static inline unsigned char blogic_rdint(struct blogic_adapter *adapter)
1178{
1179 return inb(adapter->io_addr + BLOGIC_INT_REG);
1180}
1181
1182static inline unsigned char blogic_rdgeom(struct blogic_adapter *adapter)
1183{
1184 return inb(adapter->io_addr + BLOGIC_GEOMETRY_REG);
1185}
1186
1187/*
1188 blogic_execmbox issues an Execute Mailbox Command, which
1189 notifies the Host Adapter that an entry has been made in an Outgoing
1190 Mailbox.
1191*/
1192
1193static inline void blogic_execmbox(struct blogic_adapter *adapter)
1194{
1195 blogic_setcmdparam(adapter, BLOGIC_EXEC_MBOX_CMD);
1196}
1197
1198/*
1199 blogic_delay waits for Seconds to elapse.
1200*/
1201
1202static inline void blogic_delay(int seconds)
1203{
1204 mdelay(1000 * seconds);
1205}
1206
1207/*
1208 virt_to_32bit_virt maps between Kernel Virtual Addresses and
1209 32 bit Kernel Virtual Addresses. This avoids compilation warnings
1210 on 64 bit architectures.
1211*/
1212
1213static inline u32 virt_to_32bit_virt(void *virt_addr)
1214{
1215 return (u32) (unsigned long) virt_addr;
1216}
1217
1218/*
1219 blogic_inc_count increments counter by 1, stopping at
1220 65535 rather than wrapping around to 0.
1221*/
1222
1223static inline void blogic_inc_count(unsigned short *count)
1224{
1225 if (*count < 65535)
1226 (*count)++;
1227}
1228
1229/*
1230 blogic_addcount increments Byte Counter by Amount.
1231*/
1232
1233static inline void blogic_addcount(struct blogic_byte_count *bytecount,
1234 unsigned int amount)
1235{
1236 bytecount->units += amount;
1237 if (bytecount->units > 999999999) {
1238 bytecount->units -= 1000000000;
1239 bytecount->billions++;
1240 }
1241}
1242
1243/*
1244 blogic_incszbucket increments the Bucket for Amount.
1245*/
1246
1247static inline void blogic_incszbucket(unsigned int *cmdsz_buckets,
1248 unsigned int amount)
1249{
1250 int index = 0;
1251 if (amount < 8 * 1024) {
1252 if (amount < 2 * 1024)
1253 index = (amount < 1 * 1024 ? 0 : 1);
1254 else
1255 index = (amount < 4 * 1024 ? 2 : 3);
1256 } else if (amount < 128 * 1024) {
1257 if (amount < 32 * 1024)
1258 index = (amount < 16 * 1024 ? 4 : 5);
1259 else
1260 index = (amount < 64 * 1024 ? 6 : 7);
1261 } else
1262 index = (amount < 256 * 1024 ? 8 : 9);
1263 cmdsz_buckets[index]++;
1264}
1265
1266/*
1267 Define the version number of the FlashPoint Firmware (SCCB Manager).
1268*/
1269
1270#define FLASHPOINT_FW_VER "5.02"
1271
1272/*
1273 Define the possible return values from FlashPoint_HandleInterrupt.
1274*/
1275
1276#define FPOINT_NORMAL_INT 0x00
1277#define FPOINT_INTERN_ERR 0xFE
1278#define FPOINT_EXT_RESET 0xFF
1279
1280/*
1281 Define prototypes for the forward referenced BusLogic Driver
1282 Internal Functions.
1283*/
1284
1285static const char *blogic_drvr_info(struct Scsi_Host *);
1286static int blogic_qcmd(struct Scsi_Host *h, struct scsi_cmnd *);
1287static int blogic_diskparam(struct scsi_device *, struct block_device *, sector_t, int *);
1288static int blogic_slaveconfig(struct scsi_device *);
1289static void blogic_qcompleted_ccb(struct blogic_ccb *);
1290static irqreturn_t blogic_inthandler(int, void *);
1291static int blogic_resetadapter(struct blogic_adapter *, bool hard_reset);
1292static void blogic_msg(enum blogic_msglevel, char *, struct blogic_adapter *, ...);
1293static int __init blogic_setup(char *);
1294
1295#endif /* _BUSLOGIC_H */